Answered

So I don't really understand how to solve this.. Here's the question.


The Perez family arrived at Tia Elena's house with 6 gallons of gas. Along the way, they first used 8 gallons and then added 10 gallons; then used 5 gallons. How many gallons of gas did the Perez family start with? Work backward, then solve.


Here are the possible answers:

A3 Gallons

B)7 Gallons

C)9 Gallons

D)11 Gallons

So I don t really understand how to solve this.. Here s the question. The Perez family arrived at Tia Elena s house with 6 gallons of gas. Along the way, they f class=

Verified Answer :

The answer is 9 gallons.

  ? - 8 + 10 -5 = 6
Then fill in the choices.

3-8+10-5=0
7-8+10-5=4
9-8+10-5=6
11-8+10-5=8

royaltykay

First lets see what information they give us.
We know that they arrived with 6 gallons of gas and along the way they pumped 18 gallons and used 5.
(i got 18 by adding 8 and 10 just to make it simpler)