Question

6th question of this exercise

Answer 1

Let x1 = 8.5
y1 = 1.7
x2 = ?
y2 = 2
Then by direct proportion
x1/y1 = x2/y2
8.5/1.7 = x2/2
= x2 = 10 ( insert it in the blank)
Also, x3 = 12.5
y3 = ?
Again by direct proportion
x1/y1 = x3/y3
= 8.5/1.7 = 12.5/y3
y3 = 2.5 ( insert it in the blank)
Hope it will help you buddy

Answer 2

x=8.5,y=1.7
x and y are directly proportional
x/8.5=y/1.7
=>x/y=8.5/1.7=5
=>x=5y
so,
y=2
x=5*2
=10
similarly,
x=12.5
x=5y
=>y=x/5
=12.5/5
=2.5

Hope it helps
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