Question: What is 30 percent of 40

Answer: 30 percent of 40 is 12

The fastest step by step guide for calculating what is 30 percent of 40

We already have our first value 30 and the second value 40. Let's assume the unknown value is Y which answer we will find out.

As we have all the required values we need, Now we can put them in a simple mathematical formula as below:

STEP 1 Y = 30/100

STEP 2 Y = 30/100 × 40

STEP 3 Y = 30 ÷ 100 × 40

STEP 4 Y = 12

Finally, we have found the value of Y which is 12 and that is our answer.

If you want to use a calculator to know what is 30 percent of 40, simply enter 30 ÷ 100 × 40 and you will get your answer which is 12

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Here is a calculator to solve percentage calculations such as what is 30% of 40. You can solve this type of calculation with your values by entering them into the calculator's fields, and click 'Calculate' to get the result and explanation.

What is% of

Sample questions and answers

Question: At a high school 30 percent of seniors went on a mission trip. There were 40 seniors. How many seniors went on the trip?

Answer: 12 seniors went on the trip.


Question: 30 percent of the children in kindergarten like Thomas the Train. If there are 40 kids in kindergarten, how many of them like Thomas?

Answer: 12 kids like Thomas the Train.

Have time and want to learn the details?

Let's solve the equation for Y by first rewriting it as: 100% / 40 = 30% / Y

Drop the percentage marks to simplify your calculations: 100 / 40 = 30 / Y

Multiply both sides by Y to transfer it on the left side of the equation: Y ( 100 / 40 ) = 30

To isolate Y, multiply both sides by 40 / 100, we will have: Y = 30 ( 40 / 100 )

Computing the right side, we get: Y = 12

This leaves us with our final answer: 30% of 40 is 12

Percentage Table

30 percent of 40 is 12
30.01 percent of 40 is 12.004
30.02 percent of 40 is 12.008
30.03 percent of 40 is 12.012
30.04 percent of 40 is 12.016
30.05 percent of 40 is 12.02
30.06 percent of 40 is 12.024
30.07 percent of 40 is 12.028
30.08 percent of 40 is 12.032
30.09 percent of 40 is 12.036
30.1 percent of 40 is 12.04
30.11 percent of 40 is 12.044
30.12 percent of 40 is 12.048
30.13 percent of 40 is 12.052
30.14 percent of 40 is 12.056
30.15 percent of 40 is 12.06
30.16 percent of 40 is 12.064
30.17 percent of 40 is 12.068
30.18 percent of 40 is 12.072
30.19 percent of 40 is 12.076
30.2 percent of 40 is 12.08
30.21 percent of 40 is 12.084
30.22 percent of 40 is 12.088
30.23 percent of 40 is 12.092
30.24 percent of 40 is 12.096
30.25 percent of 40 is 12.1
30.26 percent of 40 is 12.104
30.27 percent of 40 is 12.108
30.28 percent of 40 is 12.112
30.29 percent of 40 is 12.116
30.3 percent of 40 is 12.12
30.31 percent of 40 is 12.124
30.32 percent of 40 is 12.128
30.33 percent of 40 is 12.132
30.34 percent of 40 is 12.136
30.35 percent of 40 is 12.14
30.36 percent of 40 is 12.144
30.37 percent of 40 is 12.148
30.38 percent of 40 is 12.152
30.39 percent of 40 is 12.156
30.4 percent of 40 is 12.16
30.41 percent of 40 is 12.164
30.42 percent of 40 is 12.168
30.43 percent of 40 is 12.172
30.44 percent of 40 is 12.176
30.45 percent of 40 is 12.18
30.46 percent of 40 is 12.184
30.47 percent of 40 is 12.188
30.48 percent of 40 is 12.192
30.49 percent of 40 is 12.196
30.5 percent of 40 is 12.2
30.51 percent of 40 is 12.204
30.52 percent of 40 is 12.208
30.53 percent of 40 is 12.212
30.54 percent of 40 is 12.216
30.55 percent of 40 is 12.22
30.56 percent of 40 is 12.224
30.57 percent of 40 is 12.228
30.58 percent of 40 is 12.232
30.59 percent of 40 is 12.236
30.6 percent of 40 is 12.24
30.61 percent of 40 is 12.244
30.62 percent of 40 is 12.248
30.63 percent of 40 is 12.252
30.64 percent of 40 is 12.256
30.65 percent of 40 is 12.26
30.66 percent of 40 is 12.264
30.67 percent of 40 is 12.268
30.68 percent of 40 is 12.272
30.69 percent of 40 is 12.276
30.7 percent of 40 is 12.28
30.71 percent of 40 is 12.284
30.72 percent of 40 is 12.288
30.73 percent of 40 is 12.292
30.74 percent of 40 is 12.296
30.75 percent of 40 is 12.3
30.76 percent of 40 is 12.304
30.77 percent of 40 is 12.308
30.78 percent of 40 is 12.312
30.79 percent of 40 is 12.316
30.8 percent of 40 is 12.32
30.81 percent of 40 is 12.324
30.82 percent of 40 is 12.328
30.83 percent of 40 is 12.332
30.84 percent of 40 is 12.336
30.85 percent of 40 is 12.34
30.86 percent of 40 is 12.344
30.87 percent of 40 is 12.348
30.88 percent of 40 is 12.352
30.89 percent of 40 is 12.356
30.9 percent of 40 is 12.36
30.91 percent of 40 is 12.364
30.92 percent of 40 is 12.368
30.93 percent of 40 is 12.372
30.94 percent of 40 is 12.376
30.95 percent of 40 is 12.38
30.96 percent of 40 is 12.384
30.97 percent of 40 is 12.388
30.98 percent of 40 is 12.392
30.99 percent of 40 is 12.396