Question

A typist can type 660 words in 30 minutes. How many words can he type in 1 hour
and 20 minutes ?​

Answer 1

Answer:

1760

Step-by-step explanation:

No. of words typed in 30 minutes = 660

No. of words typed in 1 minute = 660/30 = 22

1 hour 20 minutes = 80 minutes

No. of words typed in 80 minutes = 80 * 22 = 1760