Question

A vaccum cleaner clean a floor area of 10 mevery 4 min.How much floor area does it clean in half an hour.
please give me easy method so i can understand with explanation

Answer 1

Answer:

Area=75m^2

Step-by-step explanation:

per minute area=10/4=2.5m^2

for halfenhour=30*2.5m^2=75m^2

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