Samantha has 40 minutes to complete both a math quiz and a spelling quiz. she completes the spelling quiz in 9 minutes. it takes her 3 times as long to complete the math quiz. how much time does she have left over?

If her spelling quiz was 9 minutes and her math quiz was 3 times as long you find that answer by doing the following math.

9x3=27 minutes (time for her math quiz)

27 minutes + 9 minutes = 36 minutes

40 minutes - 36 minutes = 4 minutes

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,

answer: 7 x 2/5 = 2.8 hours, is your answer. your welcome! : 3

step-by-step explanation: first work out how long it took to hose 1/7 of the lawn which is 2/5 hours. times that by 7 to get the whole lawn.

sorry i don't know the other answer. i didn't learn what a proportional relationship is.