A jeweler has 10 ounces of an alloy that is 50% gold. How much more pure gold does the jeweler need to add to this alloy, to increase the percentage of gold to 60%?

claudia has 8 yards of fabric she needs 3/4 of the fabric to make a banner how many yards of fabric does she need

Five divided by one half

Write a two step equation that involves multiplication and subtraction, includes a negative coefficien, and has a solution of x=7

If k, m, and t are positive integers and k + m = t, do t and 12 have a common factor 6 4 12 greater than 1?

Arrange these value from smallest to largest. 805 millimeters,.5 meters, 75 centimeters

Express each decimal as a fraction or mixed number in simplest form - 0.2 equals

4:9 and 32: x x = 32 x = 54 x = 72 x = 24

Calculator To determine how to crash activity times, a. shortest times with crashing must be known. b. normal activity costs and costs under maximum crashing must be known. c. realize that new paths may become critical. d.

There are 85 party favors. Each bag can hold 7 party favors. How many full bags are there? How many party favors are left over?

Find intercepts of: 2x^2+2y^2-12x+8y-24=0