The Morgan family and the Kim family each used their sprinklers last summer. The water output rate for the Morgan family’s sprinkler was 15 L per hour. The water output rate for the Kim family’s sprinkler was 25 L per hour. The families used their sprinklers for a combined total of 70 hours, resulting in a total water output of 1350 L. How long was each sprinkler used?

Astudent received the following grades last semester. find the student's semester grade point average. an a is algebra (3 credits), a b in history ( 3 credits), a in sociology ( 3 credits) a d in english ( 3credits) and a c in seminar ( 2credits). an a is worth 4 points, a b is worth 3 points a c is worth 2 points and a d is worth 1 point.

What is the sum of these mixed numbers 2 1/8 + 4 3/8

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]