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Luba_88 [7]
3 years ago
14

tina bought some nail polish and lip gloss at the store. the nail polish cost $4.50 per bottle and lip gloss cost $7 per tube. t

ina bought 9 items and paid $50.50. how many of each item did she buy?
Mathematics
1 answer:
viktelen [127]3 years ago
5 0
5 nail polish and 4 lip gloss

5 x 4.5 =22.5
4 x 7    =28
28+22.5=50.50
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so x=8-y, plug this into the original equation:
14.95(8-y)+16.88y=131.18
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Divide both sides by 1.93. You get y=6

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