Answer:
Explanation:
Using type B
Rate of gasoline use = 25 miles per gallon
In 1 year - 25000 miles
So, gasoline to be spent = 25000/25=1000
Using type A
Rate of gasoline use = 20 miles per gallon
In 1 year - 25000 miles
So, gasoline to be spent = 25000/20=1250
1250 -1000=250
Thus, by using type B, save up 250 gallons and 250*$3 = $750
Total cost of A:
Gasoline costs for year = 1250*3=$3750; for 6 years $22500
Tires last for 2 years (50000/25000), so it needs to be repurchased 3 times
Tire cost = 3*240*4 = $3000
Total Cost = 3000+22500=25500
Total cost of B:
Gasoline costs for year = 1000*3=$3000; for 6 years $18000
Tires last for 3 years (75000/25000), so it needs to be repurchased 2 times
Tire cost = 2*400*4 = $3200
Total Cost = 3200+18000=21200
Type B is cheapest and lasts longer, so it should be purchased
