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20 POINTS PLS HELP A drilling machine can drill 12 holes in 6 minutes. If the machine drills holes at a constant speed, it can drill ______ holes in 25 minutes.
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20 POINTS PLS HELP

A drilling machine can drill 12 holes in 6 minutes. If the machine drills holes at a constant speed, it can drill ______ holes in 25 minutes.

User Simonwjackson
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1 Answer

1 vote

Answer: 50 holes

Step-by-step explanation: I find an easy way to answer questions like this is by 'dimensional analysis'....

Dimensions mins/holes and mins

mins / (mins/holes) = holes (because 'mins' cancel out)

25 mins / (6 mins/12 holes) = 300/6 holes = 50 holes

User Radu Grama
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