If y is 2.5 when x ls 5 and y varies directly with x, find y when x is 10 Question If y is 2.5 when x ls 5 and y varies directly with x, find y when x is 10 in progress 0 Math Parker 6 days 2021-10-11T19:39:03+00:00 2021-10-11T19:39:03+00:00 1 Answer 0

## Answers ( )

Answer:y = 5

Step-by-step explanation:Given y varies directly with x then the equation relating them is

y = kx ← k is the constant of variation

To find k use the condition y = 2.5 when x = 5

k = = = 0.5

y = 0.5x ← equation of variation

When x = 10, then

y = 0.5 × 10 = 5