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ra1l [238]
3 years ago
14

Alvin completely filled his 21-gallon

Mathematics
2 answers:
maxonik [38]3 years ago
8 0

Answer:

He would have saved 7 cents a gallon.

Step-by-step explanation:

The gas he filled up on costed 2.63 a gallon

The gas across the street costed 2.56 per gallon

He spent 55.23 on gas, if he filled up at the station across the street he would have paid 53.76.

Valentin [98]3 years ago
7 0

Answer:

7 cents per gallon if his tank was completely empty upon filling

Step-by-step explanation:

55.23/21=2.63 per gallon at original gas station

2.63-2.56=.07 per gallon saved

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Answer is C.

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Answer:A

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Manny wants to cover the windows in his home with either wood blinds or curtains. He has 35 windows that he would like to cover,
stepladder [879]

Answer:

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Step-by-step explanation:

Call x the amount of blinds that Manny buys.

Let's call and the amount of curtains that Manny buys

There are only 35 windows, so the number of curtains and windows can not be greater than 35.

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Then we can represent this by an inequality in the following way.

100x \leq 2100

and

60y\leq 2100

We can write this as a single inequality:

100x +60y \leq2100

Finally, the set of inequalities to model this problem is:

x + y \leq 35\\\\100x + 60y\leq2100\\\\x\geq 0\\\\y\geq 0

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4 years ago
A computer originally costs $550 but is 20% off.
Korvikt [17]

Answer:

$110

Step-by-step explanation:

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