If Jasper installs a floor himself, it will take him 7 hours. Working with Yolanda, it will take them 3 hours. A table showing Rate in part per hour, Time in hours, and Part of Floor Installed. The first row shows Jasper, and has, StartFraction 1 Over 7 EndFraction, 3, and question mark. The second row shows Yolanda and has r, 3, and 3 r.
If they work together, what is the missing value in the table that represents the part of the floor Jasper will install?

StartFraction 1 Over 7 EndFraction times 3.(3)
StartFraction 1 Over 7 EndFraction times r. r
7r
7(3)

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17

step-by-step explanation:

1/3 + 1/5 = 8/15.

step-by-step explanation:

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answer: input the dimensions of the room to be painted. click the button to calculate the amount of paint and man-hours needed for this job.

interior paint coverage depends on the brand of paint used. the coverage amount is listed on the label of the paint can. use this to adjust the values in the paint coverage section below. paint usually is applied at 350 to 400 square feet per gallon (primer at 200 to 300 square feet per gallon).

step-by-step explanation: