Describe three ways to write the ratio that compares 4 electronic devices for every 3 people.(1 point)
Responses
A. 3 to 4, 3:4, 3/4
B. 4 to 3, 4:3, 4/3
C. 4 to 3, 4:3, 3/4
D. 4 to 3, 3:4, 4/3
Both of the following are proportions:
16/8 = 24/12
8/4 = 12/6
How do you write 5 is to 1 as 20 is to 4 as a proportion in fractional notation?(1 point)
Responses
A. 5:1 :: 20:4
B. 5/1=4/20
C.5/4=1/20
D. 5/1=20/4
You fill your car with 15 gallons of gas at a cost of $45. Using fractional notation, how do you write a proportion that shows how much 5 gallons of gas will cost? Use x to represent the unknown cost.(1 point)
Responses
15/45=x/5
15/45=5/x
15/x=45/5
15:45::x:5
Determine if 2.5/10 =? 12/48 or 2.5/2 =? 12/24 is a proportion.(1 point)
Responses
Neither is a proportion.
2.5/2=12/24
Both are proportions.
2.5/10=12/48
Determine if one, both, or neither of the following is a proportion. 16/8 =? 24/12, 8/4 =? 12/6
Determine if one, both, or neither of the following is a proportion. 16/8 =? 24/12, 8/4 =? 12/6
A. 8/4 = 12/6 only
B. neither is a propportion
C. 16/8 = 24/12, 8/4 = 12/6
D. 16/8 = 24/12 only