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charle [14.2K]
3 years ago
11

To estimate the sum orsum or difference.Estimate:Difference:​

Mathematics
1 answer:
Artemon [7]3 years ago
3 0

Answer:

to estimate the sum you round to the closest number like 38 is closest to 40 so you just say you total is $40.00

difference is when say you have 30 dollars and you spend 10 the difference is 10 dollars

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It takes an airplane 5/12 of a minute to fly 3/4 of a mile. What is the airplanes speed per minute?
Nikitich [7]
To make this a little easier, you would want to turn 3/4 into 9/12, to match 5/12's denominator.

You would then just add 7/1 to both fractions

(5/12+7/1=12/12 or 1 minutes)
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Hope this helps
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lesya692 [45]

Answer:

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Step-by-step explanation:

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nasty-shy [4]
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