Question

Lily can wash 10 plates in 20 minutes , how many plates can she wash in 1 hour and 40 minutes(with complete solution)​

Answer 1

200 plates

Explanation:

1 hour =60 minutes

1 hour and 40 minutes =60 +40 =100 minutes

10 plates - - - - - - - 20 minutes

X plates............... 100 minutes

X=100 ×20 :10

X=2000 :10

X=200 plates

Answer 2

50 plates

Explanation:

1hour and 40mins= 100mins

20/10=2

100/2=50