Using the greatest common factor, reduce the fraction \frac{32}{48} 48 32 to its simplest form

2/3

Step-by-step explanation:

32/48= 16*2/16*3= 2/3

There are 3 green marbles in the box.

Step-by-step explanation:

15% = 0.15

To figure out how much 15% of 21 is, you must multipl the decimal form of the percentage by the whole number. This will give you how much of that number that percentage is.

0.15 * 21 = 3.15  

But you can't have 0.15 of a marble, so you must round as well.

3 green marbles in the box.