Question

What is the solution to the equation 2 2/5 + r = 5 2/5 ?

r = 7
r = 3
r = 3
r = 3

Answer 1

Answer:
`r=3`

Simplify both sides of the equation

`r+12/5=27/5`

Subtract 12/5 from both sides

`r+12/5-12/5=27/5-12/5`

`r=3`