A copy machine makes 19 copies in 3 minutes and 15 seconds. How many copies does it make per minute?
2 answers:
Answer:
5 copies
Step-by-step explanation:
19 ÷ 195
answer x 60
Answer:
10.26secs
Step-by-step explanation:
Let's start by converting 3minutes 15seconds to second
How
60secs=1min
Xsec=3mins
Let's cross multiply
x=60×3
X=180secs
180+15
195secs
So 19 copies=195 secs
1copy=x sec
Cross multiply
19x=1×195
19x=195
Divide both sides by 19
X=10.26secs
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