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Marina86 [1]
3 years ago
10

justine has two jobs. she earns $25 a week from her paper route and $30 a week from babysitting. how much money did she earn fro

m babysitting if she earned $220 last month?
Mathematics
2 answers:
Lady bird [3.3K]3 years ago
8 0
Since she earns 25 a week from her paper route and there 4 week in a month we subtract 100 from 220 which leaves us with $120
Fofino [41]3 years ago
7 0
To solve this problem all we need to do is find 6/11 (30/55) of 220. The reason for this is because 30+25 is her total weekly income. Therefore, 30/55 will the amount for babysitting. The answer you will get is $120. We get this by multiplying 120 by 6/11.
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if an hour is able to be split up for payment then it will be 1/10 of an hour

6 0
3 years ago
Read 2 more answers
PLEASE ANSWER ASAP! MUST BE CORRECT! MORE POINTS GIVEN!!!
Tasya [4]
These are the two rules for when a and b are positive numbers.
a + b = b + a
a - b ≠ b -a
a - b = -b + a

For example:

5.71 + 2.84 = 2.84 + 5.71
8.55 = 8.55

5.71 - 2.84 ≠ 2.84 - 5.71
2.87 ≠ -2.87

5.71 - 2.84 = -2.84 + 5.71
2.87 = 2.87



These are the rules for when a and b are negative numbers.
a + b = b + a
a - b = b + a

For example,

-6.2 + (-3.96) = -3.96 + (-6.2)
-6.2 - 3.96 = -3.96 - 6.2
-10.16 = -10.16

-6.2 - (3.96) = -3.96 + (-6.2)
-10.16 = -10.16



Also, if a is a positive number, while b is a negative number, we see these rules:
a + b = a - b
a - b = a + b

For example,

5.71 + (-6.2) = 5.71 - 6.2
-0.49 = -0.49

5.71 - (-6.2) = 5.71 + 6.2
11.91 = 11.91


Also, if a is a negative number while b is a positive number, then these rules will apply:
a + b = b - a
a - b = -b - a

For example,

-3.96 + 2.84 = 2.84 - 3.96
-1.12 = <span>-1.12
</span>
-3.96 - 2.84 = -2.84 - 3.96
-6.8 = -6.8


I hope this helps! :)
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3 years ago
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3 years ago
What is the value of the expression |-7+ |-4/?
KonstantinChe [14]

Answer:

11

Step-by-step explanation:

8 0
3 years ago
The length of a rectangle is 8 inches more than three times the width. the perimeter is 88 inches. find the length and width.
Sav [38]
We can say L as length and W as the width 

L= 3w + 8 

The formula for perimeter is 2L + 2W = P. We can substitute L in as "3w+8" to make the equation... 

2(3w+8)+2w=88        Now, we can simplify by distributing the 2 to each term
6w+16+2w=88
8w+16=88               Then subtract 16 from each side..
8w=72
w=9

So the width is 9, so we can substitue that into the previous equation, L = 3w+8. 

L=3(9)+8
L=27+8
L=35, W=9



5 0
3 years ago
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