Question

There are 20 questions and 45 minutes.
How much time do you have for 10 questions?

Answer 1

Answer:

22.5 minutes

Step-by-step explanation:

Assume you answer each question within the same duration,

divide the total duration by the number of questions.

$\frac{45}{20} = 2.25$

It takes you 2.25 minutes per question.

Multiply this answer by 10, you get the the time for 10 questions.

2.25*10 = 22.5 minutes

Answer 2

Answer:

Step-by-step explanation:

if it takes 45 minutes for 20 questions

it takes x minutes for 10 questions

45*10/20= 22.5 minutes