Unit Test — Cumulative exam Answers
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Duncan shares 20 percent of all of his sales commissions with his personal assistant. If Duncan earns x dollars in commissions and gives his assistant y dollars, which equation correctly models this situation?
A
x = 0.20 y
B
y = 0.20 x
C
x = StartFraction y over 20 EndFraction
D
y = StartFraction x over 20 EndFraction
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A car travels 18 miles per gallon of gas used. Which equation best represents the proportional relationship between the y miles that the car has traveled and the x gallons of gasoline that it has used?
A
y = StartFraction 18 over x EndFraction
B
y = 18 x
C
y = StartFraction x over 18 EndFraction
D
y = x + 18
63
Which phrases can be used to represent the inequality ? Select two options.
A
The product of 6.5 and the sum of a number and 1.5 is no more than 21.B
The sum of 1.5 and the product of 6.5 and a number is no greater than 21.C
The product of 6.5 and a number, when increased by 1.5, is below 21.D
The product of 6.5 and a number, when increased by 1.5, is at most 21.E
The sum of 1.5 and the product of 6.5 and a number is at least 21.Did you find these answers helpful?
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