
Scale Factor, Percents, and More
Quiz by Harley Styles
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- Q1
Mary earns $12 per hour, plus 10% commission on all her sales. Mary worked 10 hours and her sales were $1,500. How much money did Mary earn?
$270
$160
$175
$135
30s - Q2
Jerry’s monthly salary was $3,050 last year. This year his monthly salary is $3,350. What percent increase in salary did Jerry receive?
10%
9%
11%
8%
30s - Q3
Juan bought 4.5 lbs of coffee for $7.98 per lb. Sales tax is 6%. What was the total amount Juan paid for the coffee?
$35.97
$8.46
$38.06
$13.23
30s - Q4
What is the constant of proportionality in the graph?
2.5
4.5
4.0
7.0
30s - Q5
A store sells bananas by weight. The total cost to buy 5 pounds of bananas is $3.75. Which choice shows how to correctly calculate the total cost, T, to buy 2 pounds of bananas?
T = 3.75(2)
T = 1.75(2)
T = 0.75(2)
T = 0.50(2)
30s - Q6
Brian cuts grass to earn some spending money. The graph represents what he earns based on the number of hours he works.
Brian worked 1 hour and earned $15.
Brian worked 2 hours and earned $30.
Brian cut 1 lawn and earned $15 per hour.
Brian cut 2 lawns and earned $30 per hour.
30s - Q7
What is the scale factor?
3
2
30s - Q8
What is the scale factor from the old screen to the new screen?
2
.75
.8
1.25
30s - Q9
Mrs. McCoy read 7/18 of her book. Mrs. Bonner read 2/6 of her book. Who read a greater fraction of their book?
Mrs. McCoy, because 7/18 < 2/6
Mrs. Bonner because 2/6 < 7/18
Mrs. McCoy, because 7/18 > 2/6
Mrs. Bonner, because 2/6 > 7/18
30s - Q10
Kaidence ate part of a candy bar. Madison ate 3/6 of the candy bar. Together they ate 5/6 of the candy bar. How much of the candy bar did Kaidence eat?
1/2
8/6
8/12
2/6
30s