Question

A vacuum cleaner cleans a floor area of 10 m2 every 4 minutes. How much floor area does it clean in half an hour?​

Answer 1

Answer:

1. 75m2

Step-by-step explanation:

a vacuum cleaner can clean 10m2 in every 4 minutes

in 2 minutes a vacuum cleaner can clean 10m2 /2 = 5m2

so therefore in 30 minutes it can clean 5m2×15 =75m2

Answer 2

Step-by-step explanation:

The area of floor that the vacuum cleaner will clean in half an hour. Solution, We can easily solve this mathematical problem by the following mathematical process. Hence, the vacuum cleaner will clean 75m² of floor