+0  
 
0
1030
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avatar+416 

A car gets 30 miles per gallon of gas and is driven 1000 miles per month. Gas costs $\$4$ per gallon. How much will the car's owner save on gas expenses in one year by buying a new car that goes 50 miles for each gallon of gas?

 Jun 28, 2015

Best Answer 

 #1
avatar+423 
+15

Saving = old cost - new cost

Saving = ($4 * 1000/30 per month for a year) - ($4 * 1000/50 per month for a year)

Saving = (4000/30 * 12) - (4000/50 * 12)

Saving = (1600) - (960)

Saving = $640 a year

 Jun 28, 2015
 #1
avatar+423 
+15
Best Answer

Saving = old cost - new cost

Saving = ($4 * 1000/30 per month for a year) - ($4 * 1000/50 per month for a year)

Saving = (4000/30 * 12) - (4000/50 * 12)

Saving = (1600) - (960)

Saving = $640 a year

Sir-Emo-Chappington Jun 28, 2015
 #2
avatar+94607 
+6

Very nice, Sir-Emo-Chappington  !!!!

 

 

 Jun 28, 2015

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