Question

Solving a Proportion Use proportional reasoning to determine the value of a in the proportion shown below. Three-fifths = StartFraction a + 5 Over 25 EndFraction a = 1 a = 25 a = 10 a = 15

Answer 1

c

Explanation:

on edge

Answer 2

`a = 10`

Explanation:

Given

`(3)/(5) = (a + 5)/(25)`

Required

Find a

`(3)/(5) = (a + 5)/(25)`

Multiply both sides of the equation by 25

`25 * (3)/(5) = (a + 5)/(25) * 25`

`5 * 3 = a + 5`

`15 = a + 5`

Subtract 5 from both sides

`15 - 5 = a + 5 - 5`

`10 = a`

`a = 10`