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wel
3 years ago
13

A printer is printing photos. For every 15 photos, the printer takes 3 minutes.

Mathematics
1 answer:
Alex17521 [72]3 years ago
4 0

Answer:

3:15, 5:25, 7:35, 8:40, 10:50

Step-by-step explanation:

When I first tried this I thought it was for every one there was fifteen. I messed up then looked, realized, and changed it. For every 3 there is 15 so 15 ÷ 3 = 5 so when I saw the 5 I multiplied it by five to get 25 then continued throughout. Your first step when doing these problems again is to divide (but make sure you divide the right number) then once you find out that sweet number, multiply is by the time to get the photos, and divide by five on the photos to get the time.

<em>Hope you got this right!</em>  

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EPCIUCNO
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Answer:

1 ⇒ D

2 ⇒ H

3 ⇒ B

4 ⇒ G

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6 ⇒ F

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Step-by-step explanation:

* Lets explain how to solve the problem

- The left column has expressions and the right column has the

  equivalent expressions

- We must find the equivalent letter for each number

1.

# 7(12)

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2.

# 3(15)

∵ 3 can be a sum of two numbers

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# 3a + 9

∵ 3 and 9 have a common factor 3

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4.

# 9a + 3

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# 10 + 5a

∵ 10 and 5 have a common factor 5

∵ 10 + 5a ⇒ divide them by 5

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