it takes 60 days for 10 machines to dig a hole assuming that the machines work at a same speed how long will it take 30 machines to dig a hole
Answers
Answered by
1
Answer:
Step-by-step explanation:
5 days
Step-by-step explanation:
60 = 10
30 = ?
cross multliply
30 × 10
------------
60
= 5 days for 30 machines
plz mark me as brainliest
Answered by
0
Answer:
it will takes
20 days to dig a hole
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