Answer:
y = 105x
Step-by-step explanation:
$315 ÷ 3 = $105 per hour
$525 ÷ 5 = $105 per hour
Constant of Proportionality is $105 in both cases.
y = kx
y = 105x
Answer:
Different
Step-by-step explanation:
The Same= Free points
-47 = x + 15
Rearrange it to isolate x:
-47 - 15 = x
-62 = x
Answer:
i. 6
ii. 
iii. 7
Step-by-step explanation:
First organize the data from least to greatest. 3,3,4,5,6,7,7,7,8
To find the median, remove the extremes from the data over and over.
3,4,5,6,7,7,7
4,5,6,7,7
5,6,7
6
To find the mean, add all of the numbers and divide by 9
3+3+4+5+6+7+7+7+8=50
50/9=
To find the modal mark, simply find the number present most in the data set: 7(occurs 3 times)
Hope it helps <3