A metalworker has a metal alloy that is 15 % copper and another alloy that is 75 % copper. How many kilograms of each alloy should the metalworker combine to create 100 kg of a 63 % copper alloy?

Susie has a bag with 8 hair pins, 7 pencils, 3 snacks, and 5 books. What is the ratio of books to pencils? A. 7/5 B. 5/8 C. 5/7 D. 8/7 this is for K12 study island test 2A

What percent of 48 is 18

A house painter mixed 5 gal of blue paint with every 9 gal of yellow paint in order to make a green paint. Which ratio of gallons of blue paint to gallons of yellow paint will make the same shade of green paint?

Baseball come in cartons of 84 baseballs. A team ordes 18 cartons of baseballs. How manu basebalss foes the team order

What is 5 (-3.4k-7) + (3k+21)

MN in is translated 4 units down and 3 units to the right to form pq which statement describes the length of PQ

A number g multiplied by - 8 is at least 1/4.

Scores - 7, 5, - 3, - 6, 1, - 1, 2 ... Mention the order from least to greatest

There were 3232 volunteers to donate blood. Unfortunately, nn of the volunteers did not meet the health requirements, so they couldn't donate. The rest of the volunteers donated 470470 milliliters each.

The walls of a square room need painting each of four walls is 12ft wide bu 8.5 feet tall one gallon of paint covres 75ft how many gallons will you need