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hoa [83]
3 years ago
5

Janet and Jack are walking in a two-day event to raise money for charity. Janet asks a friend for a $7.50 donation, plus $0.10 f

or each mile she walks. Jack asks a friend for a $5.50 donation, plus $0.15 for each mile he walks. At how many miles of walking would Janet and Jack collect the same amount of money?
Mathematics
1 answer:
il63 [147K]3 years ago
3 0

Answer:

Step-by-step explanation:

A. 40

B. 28

C. 44

D. 25

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What is the value of a in the equation a = 2 + 3a + 10?
xxTIMURxx [149]

Answer:

a= -6

Step-by-step explanation:

Given

a=2+3a+10

In order to find the value of a, we have to isolate a on a single side of the equation

So,

subtracting 3a from both sides

a-3a = 2+10+3a-3a

=>a-3a=12

=> -2a = 12

Dividing both sides by -2

=> -2a/-2 = 12/-2

=> a = -6

The value of a in the given equation is -6 ..

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Answer:

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6 0
4 years ago
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Which is the approximate solution for the system of equations 3x+4y=2 and 4x+y=-4
harina [27]

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6 0
3 years ago
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irga5000 [103]

Answer:

1/4

Step-by-step explanation:

3/12=

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1/4

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3 years ago
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