ranardandrews1p5747h ranardandrews1p5747h

14-10-2018
Mathematics

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If y=1/4 when x=5, find y when x=7, given that y directly with x

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sqdancefan sqdancefan

14-10-2018

Answer:

7/20

Step-by-step explanation:

Since y varies directly with x, the ratio of y to x is proportional.

... y / 7 = (1/4)/(5)

... y / 7 = 1 / 20 . . . . simplify

... y = 7/20 . . . . . multiply by 7

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