Register
A pack of gum costs 75 cents. That is 3 cents less than three times what the pack cost 20 years ago. Which equation could be used to find the cost of the gum 20 years ago?
118k views
0 votes
A pack of gum costs 75 cents. That is 3 cents less than three times what the pack cost 20 years ago. Which equation could be used to find the cost of the gum 20 years ago?

User Jyoseph
by
6.4k points

2 Answers

3 votes
75=3c-3
(c stands for cost 20 years ago)
User TMacGyver
by
6.6k points
4 votes
let's assume the cost 20 years ago equals x

3x - 3 = 75

or

x = 75 / 3 + 3
User Rafiki
by
6.6k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

6.6m questions

8.7m answers

Other Questions

What is the least common denominator of the four fractions 20 7/10 20 3/4 18 9/10 20 18/25
Solve using square root or factoring method plz help!!!!.....must click on pic to see the whole problem
What is the initial value and what does it represent? $4, the cost per item $4, the cost of the catalog $6, the cost per item $6, the cost of the catalog?
What is distributive property ?
What is the measure of xyz
Link Copied!