The slope is between these two points is 3
Okay, so the rate is 1 job / hours, so:
1/3 + 1/7 (This covers both their work rates) = 1/n (n represents the time it take for them to work together)
Get the LCD:
7/21+ 3/21 = 1/n
10/21 = 1/n
Cross multiply:
10n = 21
n = 2.1
It will take them 2.1 hours, or 2 hours and 6 minutes
I thinks it’s c but cover your name so people don’t see it
Mean: average of the numbers median: middle of the numbers mode: which number appears the most
the division of the quarter is 6x
