Answer:
4.5 minutes
Step-by-step explanation:
first convert 3/4 to a decimal so you can multiply it which would be .75
so then .75 times 6=
4.5
1 1/2
because when you divide 7.5 by 5 you get 1.5
50
10% of 100 is 10 so times it by 5
54.4
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