Find how many quarts of 4% butterfat milk and 1% butterfat milk should be mixed to yield 45 quarts of 2% butterfat milk. The mixture should contain quarts of the 4% butterfat milk.

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount

Frank is lending $1,000 to sarah for two years. frank and sarah agree that frank should earn a real return of 4 percent per year. instructions: a. the cpi (times 100) is 100 at the time that frank makes the loan. it is expected to be 113 in one year and 127.7 in two years. what nominal rate of interest should frank charge sarah?