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Answered

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Question 1
A printer prints 28 photos in 8 minutes.

a. How many minutes does it take to print 21 more photos?

Sagot :

79j

Answer:

It will take 73.5 minutes to print 21 more photos.

Step-by-step explanation:

The printer can print 28/8 or 3.5 photos per minute, so it can print 21 photos in 21*3.5 = 73.5 minutes.
28 * t = 21 * 8
28t = 168
t = 168/28
t = 6
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