Kaylee is ordering accessories for her piano. A piano key costs $32, and a pack of strings costs $12. The shipping cost is $7 per order. The expression 32b + 12b + 7 can be used to find the cost in dollars of buying b piano keys and b packs of
strings plus the cost of shipping.
c) For A-C, choose Yes or No to indicate whether the statements are correct.
A. The simplified expression is 44b + 7.
B. The terms are 32b, 12b, and 7b.
OYes No
Yes No
O No
C. The like terms are 12b, 7b.
Yes