15 of an amount is 30 calculate the whole amount

Asked by wiki @ 11/07/2022 in Mathematics viewed by 99 People

15% of an amount is 30. Calculate the whole amount using two different strategies, one of which must include a pictorial model.

Answered by wiki @ 11/07/2022

Answer:

Whole amount is 200.

Step-by-step explanation:

Given that

15 % of an amount is 30.

Lets that amount is x.

So the 15 % of x will be 0.15x (We know that percentage = 1/100)

So 0.15 x = 30

x= 30/0.15

So x= 200

So the whole amount is 200.

From the diagram we can easily see that at 0% the amount is 0 ,at 5% the amount is 10 and at 100% the amount is 200.

Do you know the better answer?

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