Answer:
#5. 17, #6. 22, #7. 14, and #8. 13
Step-by-step explanation:
As the sum of marks of others remain unchanged , let their sum be x . As the mean using 83 was 40 , we have ,
(x +83)/100 = 40
x + 83 = 4000
x = 3917
Now mean using 53 ,
(x +53)/100
(3917+53)/100
39.7.
Hope it helps , plz mark as brainiest :-)
Since k is constant (the same for every point), we can find k when given any point by dividing the y-coordinate by the x-coordinate.
Answer:
Total costs = $700 + $300 = $1000.
$300 / $1000 = 0.3 = 3%
Step-by-step explanation: