Question

1.Which fraction is the ratio expressed in simplest form?

24:18
A. 12/9
B.8/6
C.4/3
D.6/1

2.the ratio of two numbers is 1 to 4 and the sum of the numbers is 45 what is the smallest number?
A.10
B.9
C.8
D.7

3.what is 490% written as a decimal?
A. 4.9
B.49
C. 4900
D. 0.0049

4. What is 0.5% written as a decimal?

A.0.5
B.00.5
C.0.25
D. 0.005

Answer 1

1. divide each number by 6 and you get 4:3 answer c

2. 1x+4x=45 (the ratios give you how many of each you have)

5x=45 so x=9 that is the smallest number

3. percent means out of 100 so 490/100 4.9

4 percent means out of 100 so .5/100 5/1000 = .005