Translate the problem to a system of equations; then solve using the elimination method.Ellen wishes to mix candy worth $2.80 per pound with candy worth $4.04 per pound to form 88 pounds of a mixture worth $3.41 per pound. How many pounds of the more expensive candy should she use? Round your answer to the nearest pound, if necessary.
A. 47 pounds
B. 45 pounds
C. 43 pounds
D. 48 pounds
Answer: C
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Solve the problem.A fisherman is about to reel in a 19-lb fish located 14 ft directly below him. If the fishing line weighs 1 oz per foot, how much work will it take to reel in the fish? Round your answer to the nearest tenth, if necessary.
A. 280 ft ? lb B. 278.3 ft ? lb C. 364 ft ? lb D. 272.1 ft ? lb
Provide an appropriate response.Sara drove 532 miles and used exactly 14 gallons of gas. How many miles did she average on one gallon of gas?
A. 37 miles B. 38 miles C. 25 miles D. 26 miles
Find the GCF.10m5, 40m9
A. 10m4 B. 400m4 C. 10m5 D. 40m5
Solve. Simplify if possible.The following table shows the breakdown of the number of patients in two hospital units at a local city hospital. Is the ratio of nurses to patients in the post-operative unit higher or lower than the ratio of nurses to patients in the neonatal intensive care unit (NICU)??Post-op unitNICUPatients28?57?Nurses7?17?
A. Higher B. Lower