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[tex]$\$[/tex] 27.46[tex]$ to go from one city to another. If $[/tex]x[tex]$ represents the number of miles driven by the taxi, which linear equation can be used to solve this problem, and how many miles did Isaac travel, rounded to the nearest tenth?

A. $[/tex]1.95x + 2.50 = 27.46[tex]$; Isaac traveled 15.4 miles.
B. $[/tex]1.95x + 2.50 = 27.46[tex]$; Isaac traveled 12.8 miles.
C. $[/tex]2.50x + 1.95 = 27.46[tex]$; Isaac traveled 11.8 miles.
D. $[/tex]2.50x + 1.95 = 27.46$; Isaac traveled 10.2 miles.

Sagot :

To solve this problem, we need to find the value of [tex]\(x\)[/tex] in the equation that accurately models the given situation.

The correct linear equation given is:
[tex]\[ 1.95x + 2.50 = 27.46 \][/tex]

Here, [tex]\(1.95x\)[/tex] represents the cost per mile for the taxi, and [tex]\(2.50\)[/tex] is the initial flat fee charged before any miles are driven. The total cost of the trip is [tex]$\$[/tex]27.46[tex]$. ### Step-by-Step Solution: 1. Set up the equation: \[ 1.95x + 2.50 = 27.46 \] 2. Isolate the variable \(x\): Subtract the flat fee of \$[/tex]2.50 from both sides of the equation to get the term with [tex]\(x\)[/tex] alone:
[tex]\[ 1.95x + 2.50 - 2.50 = 27.46 - 2.50 \][/tex]
Simplifying, we get:
[tex]\[ 1.95x = 24.96 \][/tex]

3. Solve for [tex]\(x\)[/tex]:
Divide both sides of the equation by the cost per mile which is \$1.95:
[tex]\[ x = \frac{24.96}{1.95} \][/tex]

4. Calculate the value:
Perform the division:
[tex]\[ x = \frac{24.96}{1.95} \approx 12.8 \][/tex]

5. Round to the nearest tenth:
Since 12.8 is already at the nearest tenth, no further rounding is needed.

Therefore, Isaac traveled approximately [tex]\(12.8\)[/tex] miles.

### Conclusion:
The correct answer is:
[tex]\[ 1.95x + 2.50 = 27.46; \text{ Isaac traveled } 12.8 \text{ miles.} \][/tex]

So the correct option from the given choices is:
[tex]\[ 1.95x + 2.50 = 27.46; \text{ Isaac traveled } 12.8 \text{ miles.} \][/tex]