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tester [92]
4 years ago
10

Martin was given 10 math problems, and he has answered 7 of them. What percent of the problems does Martin have left to do?

Mathematics
2 answers:
Artyom0805 [142]4 years ago
7 0
Martin still has 30% of the problems left to do.
Ivan4 years ago
4 0
The answer would be 30%

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Answer:

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Step-by-step explanation:

Let the width of the rectangle as 'x' units.

So, length of the rectangle is 2 more than 3 x.

We can set up expression for length as 3 x+2.

Now, perimeter is sum of all side lengths of the rectangle.

So, perimeter = x+x+3 x+2 +3 x+2

Combine like terms,

Perimeter = 8 x+4

Now, it is given perimeter is 36cm

So,

8 x+4=36

Subtract both sides 4

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Divide both sides by 8

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3 years ago
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Step-by-step explanation:

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Step-by-step explanation:

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