Question

Sam can prepare 20 paintings in 4 weeks. How much time does he need to prepare 80 paintings?

Answer 1

16 weeks.

Explanation:

20 paintings per 4 weeks.

80/20= 4

That says 4 sets of 4 weeks.

4*4=16.

16 weeks.

16*7=112

112 days

Answer 2

It would take Sam 16 weeks.

Explanation:

Step 1. Step up the proportion of

`(4)/(20) =(x)/(80)`

Step 2. Do 80x4 to get 320
Step 3. Divide 320 by 20 to get 16.
Hope this helps! :)