Question

Kofi use 15min to type 500papers. How many minutes will he take 900papers​

Answer 1

So divided 500 papers by 15 mins equals 33 seconds per paper. So 900 papers divided by 33 seconds is 27 minutes in total to write 900 paper.

Answer 2

27 minutes

Explanation:

Hello!

500 and 900 are both multiples of 100, so let's first find the rate at which it takes Kofi to type 100 pages.

• 15m = 500
• 15m / 5 = 500/5
• 3m = 100

It takes 3 minutes to type 100 papers.

Since 900 is 9 times 100, we can also multiply the time by 9.

• 3m = 100
• 3m*9 = 100*9
• 27m = 900

It takes 27 minutes to type 900 papers.