SAT Math Practice Problems

Question:


A broken furnace will cost you $2,900 to repair, and a new furnace will cost $8,400. Luckily, the new energy-efficient furnace will save you $220 per month on your gas bill compared to your current furnace. How many months of savings from the new furnace will it take to equal the difference in cost between buying a new furnace and repairing it?

A) 20
B) 25
C) 30
D) 35
E) 50

Choose Your Answer:

 
A B C D E
 
Re-Test me over this question
-Mixed Numbers such as 2
1
2
must be entered as either a decimal, 2.5 or a fraction, 3/2.

-If a Decimal Answer does not fit in the space, it MUST be rounded AND contain 4 characters, including the decimal.
For example,
2
3
would be .667 while .666 would be incorrect and .67 would be incorrect

-Do NOT add a leading zero to a decimal, so 0.33 would be incorrect, while .33 would be correct.
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Reference:

 

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