Mike has coffee worth 4$ per pound that he wishes to mix with 20 pounds of coffee worth 7$ per pound to get a mixture that can be sold for 5$ per pound. How many pounds of the cheaper coffee should he use?

Jeff has 5 red pens and 1 blue pen in his backpack. He also has 1 yellow highlighter and 4 green highlighters in his backpack.

What is the area of a rectangle with width 2/5 inches and length 3/5 inches? 15 in² 6/25 in² 6/10 in² 2 in²

A rectangle field is 120 yards long and 85 yards wide

What's a equivalent ratio to 5/12?

Simplify 3ab + 4ab + 5 12ab 7ab + 5 not possible

Simplify 12s subtract 2 plus 10s subtract 5 plus 3s

The sophomore class is putting on a dinner and dance to raise money for when they have their prom. From their freshman year they already have $400.

At age 40 you deposit $150 at the end of each month into an IRA that pays 4% interest compounded monthly. At age 65, what will the value of the annuity be? Round your answer to the nearest cent, and do NOT include the dollar sign.

Ising prime factorization to find lcm and gcf of 10,72

Find the 8th term of the geometric sequence 7, - 21, 63 ...