Question

The relationship between x and y is proportional. When x is 6, y is 30.

What is x when y is 90?

Answer 1

x=18

Explanation:

• when x=6 then y=30
• so if y=90 then by cross multiplication x will b 18..
• 6/30=x/90
• 30X=90×6
• 30x=540
• so x=18