Question

one ounce of gold can be purchased for $1,195.80.one ounce of silver can be purshased for $16.08.what is the difference between the cost of 5 ounces of gold and 5 ounces of silver?

Answer 1

Explanation:

Remark

This is a proportion question a proportion is 2 equal ratios equated to each othe. If three parts are known the 4 can be found.

Givens

1 oz silver costs 16.08

1 oz Gold costs 1195.80

Silver

16.08/1 = x / 5 Multiply both sides by 5

5*16.08 = 1*x

80.4 =x

Gold

1195.80/1 = x/5

5 * 1195 = 1 * x

5979 = x

Answer

Difference = Cost of Gold - Cost of Silver

Difference = 5979 - 80.4

Answer Difference = 5898.60