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UkoKoshka [18]
3 years ago
6

The cost of renting a car is $ 30 /week plus $ 0.25 /mi travelled during that week. An equation to represent the cost would be y

= 30 + 0.25 x , where x is the number of miles. What is your cost if you travel 35 miles? $ If you were charged $ 42.50 , how many miles did you travel? miles Get Help: VIDEO LicensePoints possible: 1
Mathematics
1 answer:
julsineya [31]3 years ago
3 0

Answer:

Amount charged for 35 miles is $ 38.75

If amount charged is $ 42.50 then distance travelled is 50 miles

Step-by-step explanation:

Equation that represents the cost is y=30+0.25x

Here,

x denotes the number of miles

$ 30 is the amount of rent per week

$ 0.25 is amount charged for 1 mi

To find cost if distance travelled is 35 miles, put x=35 in y=30+0.25x

Cost (y) = 30+0.25(35)=\$38.75

So,

Amount charged for 35 miles is $ 38.75

To find number of miles for which amount charged is $ 42.50, put y=42.50 in y=30+0.25x

42.50=30+0.25x\\42.50-30=0.25x\\12.5=0.25x\\x=\frac{12.5}{0.25} \\x=50

So,

if amount charged is $ 42.50 then distance travelled is 50 miles.

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