Joan has a vegetable garden in her back yard that measures 8 1/2 ft by 7 1/2 ft which expression would not calculate the gardens perimeter? a- 8 1/2 +7 1/2+8 1/2+7 1/2
b- 2. 7 1/2+2.8 1/2
c- 2(8 1/2.7 1/2)
d- 2 (8 1/2+7 1/2)

45

step-by-step explanation:

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.