Translate to a proportion and solve. When necessary, round to the nearest hundredth.What is 75% of 7220?
A. 542
B. 541,500
C. 54,150
D. 5415
Answer: D
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Solve for x in the proportion.
= 
A. 
B. 1
C. 
D. 40
Write the number as an exponential expression, using the base shown. Check your result with a calculator.
(base 2)
A. 24 B. -24 C. 2-4 D. 42
Add the numbers using the number line. 12 + 
A. -4
B. 11
C. 3
D. 4
Solve.A company has 63,000 employees. Of these, 
drive alone to work, 
car pool, 
use public transportation, 
cycle, and the remainder use other methods of transportation. How many employees use each method of transportation?
A. Drive alone: 2,100; car pool: 10,500; public transportation: 9,000; cycle: 7,000; 
B. Drive alone: 21,000; car pool: 10,500; public transportation: 9,000; cycle: 7,000; 
C. Drive alone: 21,100; car pool: 10,500; public transportation: 8,900; cycle: 7,000; other: 1000
D. Drive alone: 21,000; car pool: 10,500; public transportation: 9,000; cycle: 7,000; 