How do you write 5 is to 1 as 20 is to 4 as a proportion in fractional notation?(1 point)
Responses
51=420
start fraction 5 over 1 end fraction equals start fraction 4 over 20 end fraction
5:1 :: 20:4
ratio of 5 to 1 colon colon ratio of 20 to 4
51=204
start fraction 5 over 1 end fraction equals start fraction 20 over 4 end fraction
54=120
9 answers
start fraction 5 over 1 end fraction equals start fraction 20 over 4 end fraction
Describe three ways to write the ratio that compares 4 electronic devices for every 3 people.(1 point)
Responses
4 to 3, 4:3, 34
4 to 3, ratio of 4 to 3 , Start fraction 3 over 4 end fraction
3 to 4, 3:4, 34
3 to 4, ratio of 3 to 4 , Start fraction 3 over 4 end fraction
4 to 3, 4:3, 43
4 to 3, ratio of 4 to 3 , Start fraction 4 over 3 end fraction
4 to 3, 3:4, 43
Responses
4 to 3, 4:3, 34
4 to 3, ratio of 4 to 3 , Start fraction 3 over 4 end fraction
3 to 4, 3:4, 34
3 to 4, ratio of 3 to 4 , Start fraction 3 over 4 end fraction
4 to 3, 4:3, 43
4 to 3, ratio of 4 to 3 , Start fraction 4 over 3 end fraction
4 to 3, 3:4, 43
4 to 3, ratio of 4 to 3 , Start fraction 4 over 3 end fraction
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
1545=x5
Start Fraction 15 over 45 End Fraction equals Start Fraction x over 5 End Fraction
1545=5x
Start Fraction 15 over 45 End Fraction equals Start Fraction 5 over x End Fraction
15x=455
Start Fraction 15 over x End Fraction equals Start Fraction 45 over 5 End Fraction
15:45::x:5
Responses
1545=x5
Start Fraction 15 over 45 End Fraction equals Start Fraction x over 5 End Fraction
1545=5x
Start Fraction 15 over 45 End Fraction equals Start Fraction 5 over x End Fraction
15x=455
Start Fraction 15 over x End Fraction equals Start Fraction 45 over 5 End Fraction
15:45::x:5
Start Fraction 15 over 45 End Fraction equals Start Fraction x over 5 End Fraction
Determine if 2.510=?1248 or 2.52=?1224 is a proportion.(1 point)
Responses
Both are proportions.
Both are proportions.
Neither is a proportion.
Neither is a proportion.
2.510=1248
Start Fraction 2.5 over 10 End Fraction equals Start Fraction 12 over 48 End Fraction
2.52=1224
Start Fraction 2.5 over 2 End Fraction equals Start Fraction 12 over 24 End Fraction
Responses
Both are proportions.
Both are proportions.
Neither is a proportion.
Neither is a proportion.
2.510=1248
Start Fraction 2.5 over 10 End Fraction equals Start Fraction 12 over 48 End Fraction
2.52=1224
Start Fraction 2.5 over 2 End Fraction equals Start Fraction 12 over 24 End Fraction
Neither is a proportion.
Determine if one, both, or neither of the following is a proportion. 168=?2412, 84=?126(1 point)
Responses
168=2412, 84=126
Start Fraction 16 over 8 End Fraction equals Start Fraction 24 over 12 End Fraction , Start Fraction 8 over 4 End Fraction equals Start Fraction 12 over 6 End Fraction
84=126 only
Start Fraction 8 over 4 End Fraction equals Start Fraction 12 over 6 End Fraction only
Neither is a proportion.
Neither is a proportion.
168=2412 only
Start Fraction 16 over 8 End Fraction equals Start Fraction 24 over 12 End Fraction only
Responses
168=2412, 84=126
Start Fraction 16 over 8 End Fraction equals Start Fraction 24 over 12 End Fraction , Start Fraction 8 over 4 End Fraction equals Start Fraction 12 over 6 End Fraction
84=126 only
Start Fraction 8 over 4 End Fraction equals Start Fraction 12 over 6 End Fraction only
Neither is a proportion.
Neither is a proportion.
168=2412 only
Start Fraction 16 over 8 End Fraction equals Start Fraction 24 over 12 End Fraction only
168=2412 only.
Start Fraction 16 over 8 End Fraction equals Start Fraction 24 over 12 End Fraction only.
Start Fraction 16 over 8 End Fraction equals Start Fraction 24 over 12 End Fraction only.
1 answer