llsteamll8304 llsteamll8304

06-06-2021
Mathematics

contestada

A library is having a book sale to raise money. Hardcover books cost $4 each and paperback books cost $2 each. Lauren spends $26 for 8 books.

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blerimsherri blerimsherri

06-06-2021

Answer:

4×5

3×2

Step-by-step explanation:

a+b=8 or a=8-b

4a+2b=26

4(8-b)+2b=26

32-4b+2b=26

32-2b=26

32-26=2b

6=2b

b=3

a=8-3

a=5

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