37.2k views
5 votes
n 1917 the cost of a first-class postage stamp was 3¢. In 1974 the cost for a first-class postage stamp was 10¢. What is the percent of increase in the cost of a first-class postage stamp?

User Fractal
by
8.7k points

1 Answer

2 votes

Answer:

233.33 %.

Explanation:

The increase is 10 - 3 = 7c.

Percentage increase = 100 * 7 / 3.

= 700 / 3

= 233.33 %.

User Zhang Qinglian
by
8.4k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories