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Liono4ka [1.6K]
3 years ago
10

Lisa paid 45.30 for 15.9 gallons of gasoline.what was the cost per gallon, rounded to the nearest hundreath

Mathematics
2 answers:
dimulka [17.4K]3 years ago
6 0

Answer:

$2.85

Step-by-step explanation:

45.30/15.90=2.849

rounded up to the nearest hundreth would be $2.85.

bogdanovich [222]3 years ago
6 0

Answer:

About $2.85 per gallon

Step-by-step explanation:

We can set up a proportion \frac{45.3}{15.9}=\frac{x}{1} we can then cross multiply, getting 15.9x=45.3. When you divide you get about $2.85

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translate into an algebraic expression: 120 is decreased by d% and increased by 25%. what is the result
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120 is decreased by d%

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2 years ago
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How many solutions are there to the equation below 6×+30+4×=10(×+3)
Elena-2011 [213]

Answer:

Infinite many solutions. Any x-value can satisfy the equation.

Step-by-step explanation:

Let's work on simplifying the equation a little to investigate which x-values satisfy it. Start by combining like terms on the left side (6x +4x=10x),

then distribute the factor "10" into the binomial (x+10), obtaining 10x +30.

Now we have the same expression on the left and the right of the equal sign:

10x +30=10x+30. We may subtract 30 from both sides, and obtain 10x=10x, and at this point divide by 10 both sides, and we obtain: x=x

The process is shown below.

6x+30+4x=10(x+3)\\6x+4x+30=10x+30\\10x+30=10x+30\\10x=10x\\x=x

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