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Sonbull [250]
3 years ago
6

What is the value of 4a - 2b when a is 7 and b is 4?

Mathematics
1 answer:
Hitman42 [59]3 years ago
3 0

Answer:

4a-2b

=4(7)+2(4)

=28+8

=36

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In this problem:

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One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in 36 minutes, how man
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