Answer:
14400 words
Explanation:
1 hour = 60 minutes
2 hours
= 2 x 60
= 120 minutes
Let the no. of words that he can type in 2 hours is " x ".
1800 : 15 : : x : 120
1800 / 15 = x / 120
1800 * 120 = 15 * x
x = 1800 * 120 / 15
= 120 * 120
x = 14400 words
Therefore,
He can type 14400 words in 2 hours.