Question

Which of the following proportions is false? Select one:

Don't use files

a. 20/50=40/100

b. 18/48=30/50

c. 12/15=20/25

d. 25/45=50/90

Answer 1

18/48 = 30/50 is false

Explanation:

20/50 and 40/100 both equal 0.4

12/15 and 20/25 both equal 0.8

etc.