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sertanlavr [38]

2 years ago

7

Jonas bought 3 books. Each book was the same price. After using a $10-off coupon, the total charge was $20. Which equation can b

e used to find b, the cost of each book?

1 answer:

Brums [2.3K]2 years ago

8 0

Answer:

3b-10=20

Step-by-step explanation:

3b-10=20

3b-10+10=20+10

3b=30

3b/3=30/3

b=10

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