Question

Given that 12 years ago

Answer 1

try setting up a proportion

Answer 2

can you ?

Answer 3

7.4/ 5.0 = 2.7 + x

Answer 4

2.7 + x/ x **

Answer 5

good try :) almost there

Answer 6

\(\frac{7.4}{5} = \frac{2.7+x}{x}\)

Answer 7

oh its not almost there, you're perfectly correct !!

Answer 8

next, cross multiply and solve x

Answer 9

7.4 = 13.5 + 5x
2.4x=13.5
x= 5.63
Did I do that right?

Answer 10

thats right ! good work !!

Answer 11

7.4\(\color{red}{x}\) = 13.5 + 5x
2.4x=13.5
x= 5.63