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WorksheetsCME Review for Test 2
Total questions: 14
Worksheet time: 1hrs 10mins
Of 18,500 math students polled, 5000 know how to use Desmos. What percentage of the students know how to use Desmos?
27%
3.7%
.027%
37%
A new dress, including 7.25% sales tax, cost $50. What was the cost of the dress before tax? Write an equation to model the problem.
.0725x = 50
1.0725x = 50
.0725 (50) = x
1.0725 (50) = x
A new dress, including 7.25% sales tax, cost $50. What was the cost of the dress before tax?
$46.38
$48.78
$46.62
$46.51
The average price of a gallon of gas in California is 7% higher than it was last year. The current cost per gallon of gas is $4.39. What did it cost last year?
$4.10 per gallon
$4.08 per gallon
$3.99 per gallon
$4,21 per gallon
Rewrite 36 billion using scientific notation.
36 x 109
3.6 x 109
0.36 x 1011
3.6 x 1010
Rewrite this expression without using scientific notation.
6.545 x 10-1
6.545
0.06545
0.6545
Suppose you could power your home by running on a treadmill. How many hours would you have to run to provide enough energy for the month of June?
37.5 hours
375 hours
240 hours
2400 hours
How many candy bars would you have to eat to give you enough energy to run for 24 hours?
10 candy bars
96 candy bars
100 candy bars
6 candy bars
The average cost of a car in 1977 was $5813. In 2001 the average cost was $21,478. Calculate the relative change in cost over this time period.
2.69%
269%
72.9%
172.9%
The average cost of a car in 1977 was $5813. In 2001 the average cost was $21,478. Calculate the the overall rate of inflation.
1.92%
192%
175%
17.6%
Suppose a new widget cost $4500 in 1977. Calculate the price of the widget in 2001.
$10,732
$524,250
$6023
$13,151
What percent of the people in this study have Covid?
19.3%
17.55%
19.5%
1.75%
What percent of the people with Covid tested positive?
19.3%
17.55%
90.93%
90%
What percent of the people who test positive actually have Covid?
19.3%
17.55%
90.93%
90%
