a mental alloy weighing 4mg and containing 20% iron is melted and mixed with 12mg of a different alloy which contains 40% iron. What percent of the resulting alloy is iron?

What is math im cant speak

A $5,000 TV ad will cause 250 people to attend a show, while a $4,000 newspaper ad will cause 280 people to attend. Bob wants to use the most effective method to get 500 people to attend a show. Which advertising method should he use?

The sum of a number (m) and 12 is 85. Which equation shows this relationship?

What is the area of the actual game room in square feet? Round your answer to the nearest whole number.

17. Mrs. Marshall baked 120 cookies. She decided to give 1/6 of them to her students. How many did she take to her students?

Find the value of x for which l is parallel to m 105 (3x-18)

What is the common difference for this arithmetic sequence? - 10,-17,-24,-31 ...

What are two possible factors for 8,100

Jenny has 66 pennies, 82 nickels, 74 dimes, 29 quarters, and 13 fifty-cent pieces. How much money does she have?

What can you multiply to get 64 and add to get - 12