percentages

This topic has expert replies
Senior | Next Rank: 100 Posts
Posts: 59
Joined: Wed Apr 29, 2009 6:05 pm

percentages

by sq720 » Thu May 07, 2009 7:32 pm
Before being simplified, the instructions for computing income tax in country R were to add 2 percent of one’s annual income to the average of 100 units of country R’s courrency and 1 percent of one’s annual income. Which of the following represents the simplified formula for computing the income tax, in country r’s currency, for a person in that country whose annual income is I ?

50 + I/200
50+I/40
50+I/40
100+I/50
100+3I/100

C
can someone explain what is problem really means
Source: — Problem Solving |

Master | Next Rank: 500 Posts
Posts: 158
Joined: Tue Sep 30, 2008 8:47 am
Thanked: 23 times
Followed by:1 members
GMAT Score:660

by DeepakR » Thu May 07, 2009 7:43 pm
Average of (100 units and 1% of annual income)= [100 + (I/100)]/2
= 50 + (I/200) ---1

Now Tax = (2I/100) + 50 + (I/200) = 50 + (I/40) = C.)

- Deepak