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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
3.6k points

2 Answers

6 votes

Answer:

2.50

Step-by-step explanation

(21-3)/7

User Thatsjoke
by
3.9k 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
3.4k points