Express the exercise as a system of linear equations, then find the solution. Use a calculator where appropriate.The manager of a bulk foods establishment sells a trail mix for $6 per pound and premium cashews for $12 per pound. The manager wishes to make a 240-pound 
mixture that will sell for $7 per pound. How many pounds of each should be used?
A. 40 lb of trail mix
200 lb of cashews
B. 200 lb of trail mix
40 lb of cashews
C. 140 lb of trail mix
100 lb of cashews
D. 120 lb of trail mix
120 lb of cashews
Answer: B
You might also like to view...
Identify the polynomial as a monomial, binomial, trinomial, or none of these. 20s6 - 9s + 5
A. Binomial B. Trinomial C. None of these D. Monomial
Solve the problem.The paired data below consist of the test scores of 6 randomly selected students and the number of hours they studied for the test. Find the equation of the least-squares regression line that models the data.
A. y ? 33.7 - 2.14x B. y ? -67.3 + 1.07x C. y ? 67.3 + 1.07x D. y ? 33.7 +2.14x
Write the statement in the form "if p, then q."Showing up at the party is sufficient to get a door prize.
A. If you don't show up at the party, then you will not get a door prize. B. If you get a door prize, then you don't have to show up at the party. C. If you show up at the party, then you get a door prize. D. If you got a door prize, then you showed up at the party.
Provide an appropriate response.The local girls' club wants to sell cookies to raise money. They surveyed 61 area stores to determine which type of cookie they should sell to make the most money. In 13 stores chocolate fudge sandwich cookies were the biggest seller. In 6 stores the favorite was sugar wafers. In 6 stores the most popular was peanut butter cookies. In 26 stores the best seller was chocolate chip, and in 10 stores the favorite was oatmeal raisin. Which measure of central tendency should the girls' club use to make the choice?
A. Mode B. Median C. Mean D. Weighted mean