Solve the problem.The product of two positive consecutive integers is 89 more than their sum. Find the integers.
A. -11, -10
B. 9, 10
C. 10, 11
D. -9, -8
Answer: C
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Solve the problem.Joan can mow a 10-acre field in 3 hours. How long would it take her to mow a 3.0-acre field?
A. 0.3 hr B. 2.9 hr C. 3.9 hr D. 0.9 hr
Solve the problem.A man earned $3000 the first year he worked. If he received a raise of $500 at the end of each year, what was his salary during the 15th year?
A. $7000 B. $10,000 C. $10,500 D. None of these
Solve the problem.The amount of particulate matter left in solution during a filtering process is given by the equation where n is the number of filtering steps. Find the amounts left for
and
(Round to the nearest whole number.)
A. 500 units; 63 units B. 500 units; 16 units C. 500 units; 4000 units D. 1000 units; 63 units
The value of an investment doubles every month for 10 months. After the tenth month, the investment was worth $1,600,000. What was the investment worth after the third month?
A. $12,500 B. $1250 C. $50,000 D. $25,000 E. none of these