Question

David learned 15 definitions in 90 minutes. How much time will he take to learn 10 definitions?

Answer 1

Divide 90 by 15 to find out how many minutes it takes him to learn one definition.

90/15

=6

It takes David 6 minutes to learn one definition.

Next multiply 6 by 10 to find out how long it'll take him to learn 10 definitions

6x10

=60

It'll take David 60 minutes to learn 10 definitions.

I hope this helps!

Answer 2

Hey Anthony!

15........>90 minutes
10.........x minutes

Cross multiply
15x = 90*10
15x = 900
x = 900/15
x = 60

So, David will take 60 minutes to learn 10 definitions.

Best of luck!