For the third marking period, Joey was reviewing his 7 test scores. On his report card, he received a grade of a 90. While reviewing his scores, he realized that he was missing one. He had the following test scores: 85, 90, 85, 95, 85, and 95. What is Joey's missing test score? Provide mathematical proof and reasoning for how you found the missing test score.

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.

x = -5

step-by-step explanation:

this is a good question! i’ll do some research and what i find, i’ll contact you asap when i have something! ✊

the correct answer is 1.7