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
15x=455
Start Fraction 15 over x End Fraction equals Start Fraction 45 over 5 End Fraction
15:45::x:5
ratio of 15 to 45 colon colon ratio of x to 5
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
Start Fraction 15 over 45 End Fraction equals Start Fraction 5 over x 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
Neither is a proportion.
Determine if one, both, or neither of the following is a proportion. 168=?2412, 84=?126(1 point)
Responses
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, 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
168=2412 only
84=126 only
Determine if one, both, or neither of the following is a proportion. 168=?2412, 84=?126(1 point)
Responses
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.
16/8=24/12, 8/4=12/6
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
16/8=24/12 only
Neither is a proportion.
Determine if one, both, or neither of the following is a proportion. 168=?2412, 84=?126(1 point)
Responses
8/4=12/6 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.
16/8=24/12, 8/4=12/6
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
16/8=24/12 only