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Igoryamba
3 years ago
12

How do you get the answer for 10 millimeters increased by 30%

Mathematics
1 answer:
tiny-mole [99]3 years ago
8 0
First you have to find what 30% of ten is, and then add it to the 10. So how do you find 30 % of 10? In math...

"of" means ×
"is" means =

30% of 10 is
30 % × 10 =

change 30% to a decimal by dividing by 100 ( move the decimal to the left 2 places)

.30 × 10 = 3

So 30% of ten is 3. Now since we are increasing by 30%, we have to add it to the original value, 10.

3 + 10 = 13

So 10 millimeters increased by 30% is

13 millimeters
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Alvin is 7 years younger than Elgas. The sum of their ages is 63. What is Elgas age?
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Answer:

Elgas is 35.

Step-by-step explanation:

Let's set up an equation.

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A = E - 7

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Let's use substitution.

Plug in the first equation of A into the second equation.

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Divide both sides by 2.

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Hope this helps!

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