An alloy weighing 30 lbs. is 11% tin. The alloy was made by mixing a 15% tin alloy and a 9% tin alloy. How many pounds of each alloy were used to make the 11% alloy?

A fair coin is tossed in the air four times. If the experimental probability of landing on tails is 1/4, then what is the difference between the experimental and theoretical probability?

A map has a scale of 1 inch: 4 miles. A. You measure 3 inches between your house and the movie theater. How many miles is it from your house to the movie theater? B. It is 17 miles to the mall. How many inches is that on the map?

Does anybody know this answer?6x-12 2x=3x 8x-15

A business owner collected data on the people working for her company. She determined the average number of minutes each employee spent on breaks during an average workday. The data, broken up by gender, is shown below.

Travis needs to mail 4 letters and 10 postcards. A letter needs a 37-cent stamp and a postcard needs a 25-cent stamp. How much money will Travis spend for postage?

Four friends each bought a movie ticket and two boxes of candy at a movie theater. The tickets were $ 7.50 and the boxes of candy cost the same amount. If the total cost for all four friends was $ 58.00, what was the price of one (1) box of candy.

8 divided by 6304 show work

If someone made $306 for 17 hours of work, at the same rate, how much would she make for 12 hours of work?

The volume of a triangular prism is 264 cubic feet. The area of a base of the prism is 48 square feet. Find the height of the prism

What is 5m - 4 (8m + 1) = 158