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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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A total of 70 tickets were sold for a concert and earn the organizers $804. If the cost of each ticket is either $10 or $12, how
crimeas [40]

Answer:

52 tickets cost $10 and 18 tickets cost $12

Step-by-step explanation:

10x+12y=804. (1)

x+y=70. (2)

From (2)

x=70-y

Substitute x=70-y into (1)

10x+12y=804

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y=104/2

y=52

Recall

x+y=70

x+52=70

x=70-52

x=18

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Answer:

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