Tutors Answer Your Questions about percentage (FREE)
Question 24290: I am studying to take my net test for my LPN classes and I can not remember how to do alot of the math so if someone could please help refresh my memory I would reall appreciate it. Here is one % problem I need help with, just explain how to get the answer as simply as possible.I know this is probably simple please dont laugh.
7 is what % of 28
Click here to see answer by elima(1433) |
Question 24433: The readout on a stairmaster machine tells him that if he exercises for 24 minutes, he will burn 356 calories. He decides to increase his time on the machine inorder to lose more weight.
What percent has he increased his time on the stairmaster if he exercises for 30 minutes?
How many calories does he burn if he exercises for 30 min.? 40 min?
445
Click here to see answer by josmiceli(9645)  |
Question 24696: If Jim sells a statue for $670 which is a 35% profit over cost, how much did the statue originally cost him? I've been out of school along time and now I need to study for a parapro standardized test and I have no clue how to set this problem up. Please Help!
Click here to see answer by josmiceli(9645)  |
Question 24949: an investment of $20,000 is made in a 10.5% simple interest account. How much additional money must be deposited into an 8% simple interest account so that the total interest earned on both accounts is 9% of the total investment?
Click here to see answer by wuwei96815(245) |
Question 24914: Use ratios to write an equation that can be used to solve each of the following problems. Then solve the equations:
a) What number is 25% of 40?
b) Twenty-five is what percent of 40?
c) Twenty-five is 40% of what number?
Click here to see answer by quentin252(19) |
Question 25705: Joe has a collection of nickels and dimes that is worth $5.65. If the number of dimes were doubled and the number of nickels were increased by 8, the value of the coins would be $10.45. How many dimes does he have?
Click here to see answer by Paul(988) |
Question 25707: Walt made an extra $9000 last year from a part-time job. He invested part of the money at a 9% annual rate of interest, and the rest at an 8% annual rate of interest. At the end of the year, he made a total of $770 in interest. How much was invested at 8%?
Click here to see answer by josmiceli(9645)  |
Question 25755: Bob bought a goat.
He expected to sell it at a price that would give him a 10% profit on his purchase.
However, he had to sell it for $50 less than he expected, which was a loss of 15% on what it cost him.
What did Bob pay for the goat?
Click here to see answer by Earlsdon(6287) |
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