Question

I
4. Set-up and solve using a variable.
Lily and Sara each had an equal amount of money at first. After
Lily spent $18 and Sara spent $25, the amount Lily had left was
equal to twice the amount that Sara had left. How much money
did each have at first?​

Answer 1

Answer:

Each of them had $32 at first.

Step-by-step explanation:

Let's assume at first Lily and Sara had $x each.

After spending $18, Lily had left = $(x - 18)

After spending $25, Sara had left = $(x - 25)

According to the problem:

x - 18 = 2(x - 25)

=> x - 18 = 2x - 50

=> x - 2x = 18 - 50

=> -x = -32

∴ x = 32

Each of them had $32 at first.