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Mathematical Statements

The function ...

Question

The function y= 1.5x +2.5 represents the gallons of oil(x) used and the weight of corbon dioxide(y) produced in kg. If x = 12 gallons, value of y is .

A

20.10 kg

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B

20.50 kg

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C

4 kg

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Solution

The correct option is B 20.50 kg
The given equation is y=1.5x +2.5

Value of x is 12 gallons.

Subtituting in the given equation,

y = 1.5 $\times$ 12 +2.5

= 18 +2.5

y = 20.5

Hence, the value of y is 20.50 kg.

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