Two ounces.
10 percent of 12 ounces is 1.2 ounces.
How much of an alloy that is 10% copper should be mixed with 400 ounces of an alloy that is 70% copper in order to get an alloy that is 20%
To find 20 percent of a value, multiply it by 0.2. In this instance, 128 x 0.2 = 25.6. Therefore, 20 percent of 128 ounces is equal to 25.6 ounces.
To find 20 percent of a value, multiply that value by 0.2. In this instance, 0.2 x 8 = 1.6. Therefore, 20 percent of 8 ounces is equal to 1.6 ounces.
12.8 ounces.
NOT: 15 ounces to make 10%Correct answer:Twenty ouncesCalculus:Let it be M ounces. Then:20%*(M ounce) + 5%*(40 ounce) = 10%*(M+40 ounce)20*M + 200 = 10*M + 400(20-10)*M = 400-20010M = 200M = 20
10 percent of 12 ounces is 1.2 ounces.
6 ounces.
How much of an alloy that is 10% copper should be mixed with 400 ounces of an alloy that is 70% copper in order to get an alloy that is 20%
To find 10 percent of 4 ounces, you would first convert 10 percent to a decimal by dividing by 100, which equals 0.10. Then you would multiply 4 ounces by 0.10 to get the answer. Therefore, 10 percent of 4 ounces is 0.4 ounces.
five ounces
To find 20 percent of a value, multiply it by 0.2. In this instance, 128 x 0.2 = 25.6. Therefore, 20 percent of 128 ounces is equal to 25.6 ounces.
To find 20 percent of a value, multiply that value by 0.2. In this instance, 0.2 x 8 = 1.6. Therefore, 20 percent of 8 ounces is equal to 1.6 ounces.
Five percent of 20 ounces is calculated by multiplying 20 by 0.05. This gives you 1 ounce. Therefore, 5 percent of 20 ounces is 1 ounce.
40 percent of the original amount would be 10 ounces. This can be calculated by first finding what 1 percent is (0.15 ounces) and then multiplying it by 40.
12.8 ounces.
10 percent of 2 ounces = 1/5 ounce or 0.20 ounce10% of 2 ounces= 10% * 2 ounces= 10%/100% * 2 ounces= 2/10 or 1/5 ounce= 0.20 ounce