Question

A bag contains 3 green marbles and 7 purple marbles.

a) Determine the fraction that are green marbles.

b) Calculate the percentage that are purple marbles.

Answer 1

Below in bold.

Explanation:

Total of 10 marbles in the bag.

a) Fraction that are green = 3/10.

b) Fraction that are purple = 7/10

= 100 * 7/10

= 90*7

= 70%