Question

16. If 2x: 3y = 8:15, find (3y - x)/(3y + x
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Answer 1

Answer:

209 is the answer.

Step-by-step explanation:

given, 2x : 3y = 8 : 15

by making fraction, we get,

2x/3y = 8/15

from the rule of equivalent fraction, we can now solve for x and y

2x = 8 => x = 4

and, 3y = 15 => y = 5

now, (3y - x)(3y + x) = (3y)^2 - x^2

= (3 x 5)^2 - 4^2

= 15^2 - 4^2

= 225 - 16

= 209

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