Question

How do you write 5 is to 1 as 20 is to 4 as a proportion in fractional notation? a. 5:1 :: 20:4 b. 5/1=4/20 c. 5/4=1/20 d. 5/1=20/4

Answer 1

d. 5/1 = 20/4.

Reason: "5 is to 1 as 20 is to 4" means the ratios are equal. 5/1 = 5 and 20/4 = 5, so 5/1 = 20/4.