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maks197457 [2]
3 years ago
6

Simplify the following complex fractions please some one help

Mathematics
1 answer:
Nezavi [6.7K]3 years ago
4 0

Answer:

68.57mph

Step-by-step explanation:

with decimals, well, 3/4=0.75 (just divide 3/4 and you'll see) and 1 3/4 = 1.75

Then you divide 120/1.75 and there you go, 68.57mph

If you're supposed to do it with fractions:

1 3/4 = 4/4 + 3/4 = 7/4

Then you divide 120 / 7/4 (remember 120 = 120/1

Which means you have to cross multiply (an important part on fraction division, that is, your division would be 120x4 / 1x7).

Then 120x4= 480

And 1x7 = 7

Then you get 480/7, which is the same as 68 4/7 mph

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