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koban [17]
3 years ago
5

Alex’s printer can print 8 photos in 12 minutes.

Mathematics
1 answer:
Gre4nikov [31]3 years ago
7 0

Answer:

120\ minutes

Step-by-step explanation:

step 1

Alex’s printer

we know that

print 8 photos in 12 minutes

so

by proportion

Find  how long will it take the printer to print 120 photos

\frac{12}{8}=\frac{x}{120}\\ \\x=120*12/8\\ \\x=180\ minutes

step 2

Khalil’s printer

we know that

print 24 photos in 1 hour (60 minutes)

so

by proportion

Find  how long will it take the printer to print 120 photos

\frac{60}{24}=\frac{x}{120}\\ \\x=120*60/24\\ \\x=300\ minutes

step 3

Find the difference

300\ minutes-180\ minutes=120\ minutes

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