Presley is organizing the school book sale. Each stall will have 40 books on the shelf and 2 boxes of books with b books inside. Presley also has 200 books in inventory to refill the shelves as books sell. This situation can be written as the following expression:

40s + (2b)s + 200

How many books should Presley have ready if she plans to open 8 stalls and have 12 books in each box?

Question

Presley is organizing the school book sale. Each stall will have 40 books on the shelf and 2 boxes of books with b books inside. Presley also has 200 books in inventory to refill the shelves as books sell. This situation can be written as the following expression:

40s + (2b)s + 200

How many books should Presley have ready if she plans to open 8 stalls and have 12 books in each box?

yanasidlinskiy · Answer

T=40S+(2b)S+200
T=S(40+2b)+200
T=8(40+2(12))+200
T=8(40+24)+200
T=8(64)+200
T=512+200=712
:)

mathstudent55 · Answer

Just substitute s with 8 and b with 12, and evaluate the expression.

40s + (2b)s + 200 =
= 40(8) + 2(12)(8) + 200
= 320 + 192 + 200
= 712