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zepelin [54]
3 years ago
15

Please help me!!! :)

Mathematics
1 answer:
Elena-2011 [213]3 years ago
8 0

(2x-4) / 5 = x + 4.  Mult. both sides by 5 to eliminate the fraction on the left side:

2x-4=5x + 20

Combining like terms, 3x = -24, and so x = -8

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Help plz I'm desperate ​
lutik1710 [3]

<u>Anna:</u>

1st month = 18 + \frac{3}{4} = 18\frac{3}{4} inches

2nd month = 18\frac{3}{4} + \frac{3}{4} = 19\frac{1}{2}

3rd month = 19\frac{1}{2} + \frac{3}{4} = 20\frac{1}{4}

4th month = 20\frac{1}{4} + \frac{3}{4} = 21

5th month = 21 + \frac{3}{4} = 21\frac{3}{4}

<u>Grace:</u>

Because Anna is \frac{9}{4} inches shorter than Grace, we can start the count from the third month:

1st month = 20\frac{1}{4}

2nd month = 21

3rd month = 21\frac{3}{4}

4th month = 21\frac{3}{4} + \frac{3}{4} = 22\frac{1}{2}

5th month = 22\frac{1}{2} + \frac{3}{4} = 23

7 0
3 years ago
If 8 gallons of gas cost $40, how much does 10 gallons of gas cost
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8 costs 40 so 10 costs | 40 / 8 = ( 5*2=10) So your answer is 50 Dollars. 
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