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 incr

Question

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?

in progress 0
Caroline 1 week 2021-09-10T11:50:52+00:00 1 Answer 0

Answers ( )

    0
    2021-09-10T11:51:56+00:00

    Answer:

    233.33 %.

    Step-by-step explanation:

    The increase is 10 – 3 = 7c.

    Percentage increase =  100 * 7 / 3.

    = 700 / 3

    =  233.33 %.

Leave an answer

Browse
Browse

27:3+15-4x7+3-1=? ( )