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PS Question 55.3.13
The time it took car A to travel 400 miles was 2 hours less than the time it took car B to travel the same distance. If car A's average speed was 10 miles per hour greater than that of car B, what was car B's average speed, in miles per hour? a. 20 b. 30 c. 40 d. 50 e. 80 ___________________________...
- by maxxwe11
Thu Sep 17, 2009 7:01 pm- Forum: Problem Solving
- Topic: PS Question 55.3.13
- Replies: 2
- Views: 1416
PS - Question 55.3.12
Some more: If x dollars is invested at 10 percent for one year and y dollars is invested at 8 percent for one year, the annual income from the 10 percent investment will exceed the annual income from the 8 percent investment by $56. If $2,000 is the total amount invested, how much is invested at 8 p...
- by maxxwe11
Thu Sep 17, 2009 6:58 pm- Forum: Problem Solving
- Topic: PS - Question 55.3.12
- Replies: 2
- Views: 1253
PS - Question 55.3.10
I am looking for the way to set up this problem in "GMAT Friendly" form (i.e. to able to crank out the problem in under 2 minutes).
(0.0036)(2.8)
------------------
(0.04)(0.1)(0.003)
a. 840.0
b. 84.0
c. 8.4
d. 0.84
e. 0.084
- by maxxwe11
Thu Sep 17, 2009 6:55 pm- Forum: Problem Solving
- Topic: PS - Question 55.3.10
- Replies: 1
- Views: 1479