Write a system of equations for the problem, and then solve the system.The manager of a candy shop sells chocolate covered nuts for $7 per pound and chocolate covered raisins for $14 per pound. The manager wishes to make a 490-pound 
mixture that will sell for $8 per pound. How many pounds of each should be used?
A. Nuts: 280 lb; raisins: 210 lb
B. Nuts: 70 lb; raisins: 420 lb
C. Nuts: 420 lb; raisins: 70 lb
D. Nuts: 245 lb; raisins: 245 lb
Answer: C
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Solve the problem.In the Smoky Mountains of Tennessee, the percent of moisture that falls as snow rather than rain is approximated by 
, where P is the percent of snow moisture at an altitude h in feet. Find the percent of moisture that falls as snow at an altitude of 5000 ft.
A. 6% B. 14% C. 15% D. 5%
Simplify the expression.
A. 
B. 
C. 
D. 
Find the odds.A number cube labeled with numbers 1, 2, 3, 4, 5, and 6 is tossed. What are the odds in favor of the cube showing an odd number?
A. 3:2 B. 1:2 C. 1:1 D. 2:1
Find the sum of the infinite geometric series, if it exists.3 - 
+ 
- 
+ . . .
A. 
B. - 
C. 
D. Does not exist