Question

enrique has to pay 80% of 200$ phone bill.Explain how to use equivalent ratios 80% of 200

Answer 1

Given : enrique has to pay 80% of 200$ phone bill

To Find :  how to use equivalent ratios to find 80% of 200

Solution:

Let sat 80 % of 200  =  x

%  is a number or ratio expressed as a fraction of 100.

=> 80 /100  = x/200

=> 80/100  = x/ 200

=> 80 x 2 / 100 x 2  = x/200

=> 160/200 = x/200

=> x = 60

80 % of 200 =  160

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Answer 2

First, write 80% as 80 /100 . Then write an equivalent ratio that has the answer in the numerator and 200 in the denominator. 100 x 2 is 200, so 80 x 2 will be the answer. 80 x 2 = 160.