A merchant has coffee worth $20.00 per pound that she wishes to mix with 70 pounds of coffee with $90.00 per pound to get a mixture that she will sell for $30.00 per pound. How many pounds (lbs) of the $20.00 coffee should be used?

Annie would like to take out a loan to put a new playground in her yard for her kids. She offers her car which is worth $7,800 as collateral. The loan officer at the bank is permitted to loan Annie 92% of the value of her collateral.

A smoothie recipe calls for 1/3 cup yogurt for each smoothie. How many cups of yogurt are needed to make 7 smoothies?

How do you solve, 2=2y-x and 23=5y - 4x, using the substitution method

One pound of chicken costs $3. Jim buys 8 whole 2/3 pounds of chicken. How much does him pay for the chicken.

The price of an item has increased 15% since last year. However, a person can buy the item for a 25% employee discount. The employee pays $172.50. What was the price last year? Show work to justify your answer. Group of answer choices

The seventh term of an arithmetic sequence is 10.2 and the twelfth term is 17.7. What is the common difference of the arithmetic sequence? The common difference is

Assume that the heights of men are normally distributed with a mean of 70.7 inches and a standard deviation of 2.1 inches. If 36 men are randomly selected, find the probability that they have a mean height greater than 71.7 inches.

Write an equation of the line that passes through (-6,5) and (0,2).

Which interval is the solution set to 0.35x - 4.8 < 5.2 - 0.9x? i solved this i just wanted to post the answers for others

If 5 times a number n is subtracted from 15 the results is negative. Which of the following gives the possible values for n