WARM UP (after 3.2 Word Prob Notes)
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Transcript of WARM UP (after 3.2 Word Prob Notes)
WARM UP (after 3.2 Word Prob Notes)
Jill is selling cookie dough for her band fundraiser. She knows that she sold 55
tubs of chocolate chip & oatmeal dough combined, but she doesn’t know how
many of each she sold. The chocolate chip cookie dough costs $12.25 per tub, and the oatmeal cookie dough costs $9.75 per tub.
How many of each type of cookie dough did Jill sell if she collected $621.25?
WARM UP (after 3.2 Word Prob Notes)
55 m c
c = # tubs of choc. chip cookie dough
m = 55 – c12.25c + 9.75(55 – c) = 621.25
256217592512 . m . c .
m = # tubs of oatmeal cookie dough
WARM UP (after 3.2 Word Prob Notes)
c = # tubs of choc. chip cookie doughm = # tubs of oatmeal cookie dough
12.25c + 536.25 – 9.75c = 621.25 2.5c + 536.25 = 621.25 2.5c = 85 c = 34
WARM UP (after 3.2 Word Prob Notes)
c = # tubs of choc. chip cookie doughm = # tubs of oatmeal cookie dough
34 tubs of choc. chip cookie doughm = 21
21 tubs of oatmeal cookie dough