3 years ago

)A scanner scanned 63 photos in 9 minutes. If it scans photos at a constant rate, it can scan _____ photos in 21 minutes.

Mathematics

1 answer:

Cloud [144]3 years ago

3 0

Answer:

147 photos

Step-by-step explanation:

63 photos -> 9 minutes

To find the number of photos scanned per minute, divide both sides by 9.

$63\div 9=7$ photos -> 1 minute

To find 21 minutes, we can do $21\times 7=147$

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