Answer:
X = savings, p= pay per hour
X+4p = 86 - - - - (1)
X+6p=104 - - - - - (2)
Re arrange equation (1)
X=86-4p-----(3)
Substitute (3) in (2)
86-4p +6p=104
86+2p=104. (subtract 86 from both side)
2p = 18. (divide by 2 from both side)
Then p =$9
By substitute in equation (1)
X = $50
Answer: its 1/9
All you do is divide them by 4
4 divided by 4=1
36 divided by 4=9
Also can I get brainly thing?
Answer:
B, A, F, H
Step-by-step explanation:
Answer:
10
Step-by-step explanation:
-10-(-20)
A negative and a negative is addition
-10+20=10
Step-by-step explanation:
Decide on the number of classes.
Determine the range, i.e., the difference between the highest and lowest observations in the data.
Divide range by the number of classes to estimate approximate size of the interval
hope it helps.
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