4.9k views
4 votes
Liz buys x markers at 90p each and 3 books at 1.20 each the total cost is 13.50

Solve to find x

1 Answer

6 votes
90p = 0.9
13.5 = 0.9x+3*1.2
0.9x = 13.5-3.6
0.9x = 9.9
x = 11
User Eugenevd
by
7.9k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.