159k views
4 votes
Kelly bought a soda for three dollars and 7 candy bars when she went to the movies. She spent a total of $21. How much did each candy bar cost? Write out and solve. Show work

User Lumi
by
8.5k points

2 Answers

6 votes

Answer:

2.50

Step-by-step explanation

(21-3)/7

User Thatsjoke
by
8.7k points
5 votes

Answer:

$2.57

Explanation:

Create an equation.

7x + 3 = 21

Subtract 3 from both sides of the equation.

7x = 18

Divide 7 from both sides to find x.

18/7 = x,

x = 2.57

Each candy bar costs 2.57 dollars,

User Lukstafi
by
8.2k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.