Answer:
Car A Car B
Gas cost per month $21.429 $31.579
insurance per month $125 $83.333
maintenance per month $25 $41.667
Total cost per month $171.429 $156.579
Step-by-step explanation:
we have to drive 20 mile round trip, for five days a week.
that means total number of days in a month we have to drive=5×4=20 days
hence total distance we have to drive in a moth=20×20 miles=400 miles.
Cost of gasoline=$ 1.50 per gallon.
now for Car A:
A gets 28 miles per gallon.
⇒ A has to pay $1.50 for 28 miles
that means the amount he has to pay for 1 mile=$[tex]\dfrac{1.50}{28}[/tex]
The amount he has to pay for 400 miles=$[tex]\dfrac{1.50\times 400}{28}[/tex]
=$21.429
he has to pay $300 a year in maintenance cost.
A has to pay $25 per month in maintenance.
also he has to pay $1500 a year for insurance
i.e. A has to pay $125 per month for insurance.
Total cost per month=$ (21.429+25+125)
=$171.429
for Car B:
B gets 19 miles per gallon.
⇒ B has to pay $1.50 for 19 miles.
that means the amount he has to pay for 1 mile=$[tex]\dfrac{1.50}{19}[/tex]
The amount he has to pay for 400 miles=$[tex]\dfrac{1.50\times 400}{19}[/tex]
=31.579
he has to pay $500 a year in maintenance cost.
A has to pay $41.667 per month in maintenance.
also he has to pay $1000 a year for insurance
i.e. A has to pay $83.333 per month for insurance.
Total cost per month=$ (31.579+41.667+83.333)
=$156.579
