Course: Lumos StepUp - PARCC Online Practice And Assessments - Grade 7 Mathematics
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John eats breakfast three times a week at work (60%). The past four weeks he only had breakfast five times at work. What percentage represents the difference between John's normal routine and the past four weeks?
A
25% less breakfast at work
B
45% less breakfast at work
C
30% less breakfast at work
D
35% less breakfast at work
Standard: 7.SP.C.6
Domain: Statistics & Probability
Theme: Investigate chance processes and develop, use, and evaluate probability models
Description: Approximate the probability of a chance event by collecting data on the chance process that produces it and observing its long-run relative frequency, and predict the approximate relative frequency given the probability. For example, when rolling a number cube 600 times, predict that a 3 or 6 would be rolled roughly 200 times, but probably not exactly 200 times.
Convert to a decimal:
A
0.78
B
0.81
C
0.875
D
0.925
Standard: 7.NS.A.2.D
Domain: The Number System
Theme: Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers.
Description: Convert a rational number to a decimal using long division; know that the decimal form of a rational number terminates in 0s or eventually repeats.
Convert to a decimal:
A
0.8333333…
B
0.56
C
0.94
D
0.8