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3 years ago

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Book-club members are required to buy a minimum number of books each year. Leslee bought 3 times the minimum. Denise bought 7 mo

re than the minimum. Together, they bought 23 books. What is the minimum number of books?

1 answer:

kkurt [141]3 years ago

4 0

Answer: 4 books

Step-by-step explanation:

x = minimum number of book

Leslee

= 3x (bought 3 times the minimum)

Denise

= x + 7 (bought 7 more than the minimum)

Together

= (3x) + (x + 7)

(3x) + (x + 7) = 23 (books they bought together)

3x + x + 7 = 23

3x + x = 23 - 7 (isolate the like variables together)

4x = 16 (divide both sides by 4)

x = 4

4 is the minimum number of books

To check:

3(4) + (4+7)

12 + 11 = 23

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Read more about parabolas at:

brainly.com/question/25237745

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