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Mariulka [41]
4 years ago
14

Please helpok it's blurry sorry

Mathematics
2 answers:
Olin [163]4 years ago
6 0
21.39 - 2.10b - 12.99 = 8.4 - 2.10b
8.4 - 2.10b = 0
8.4 = 2.10b
8.4/2.1 = 2.10b/2.1

b = 4

hope this helps

your answer is A
densk [106]4 years ago
4 0
The equation is:
12.99 + 2.10b = 21.39
Subtract 12.99 from each side to get:
2.10b = 8.4
Then divide to find the amount of bottles:
b = 4 bottles

Hope this helps!! :)
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