Mathematics: Iwas given this problem in math and can’t figure out how it’s solved. 21 is 70%of

Iwas given this problem in math and can’t figure

eyebang

10.01.2022

The answer is 30

Step-by-step explanation:

Given:

21 is 70%of ___

Let, in the place of blank to solve.

So,

$21=\frac{70}{100}\times x\\ 21=\frac{70x}{100}$ .

Multiply both sides by 100 .

$21\times100=\frac{70x}{100}\times100\\2100=70x$ .

Now, dividing both sides by .

$\frac{2100}{70}=\frac{70x}{70}\\30=x$ .

So, the value of x=30 .

Therefore, the answer is 30.

0,0(0 оценок)

apple1367

31.03.2020

0.25 is equal to 1/4

Step-by-step explanation:

decimals start with 1.00

0.25 goes into 1.00 4 times which finds your denominator and theres one of the 0.25 so your numerator is 1 and it gives you 1/4 D

0,0(0 оценок)