George sold his piano to Harry and made a sum of money 25% of the cost. Then Harry sold the piano to John but loses 25% of the cost. If John paid 2250$ for the piano, how much did George pay for the...

George sold his piano to Harry and made a sum of money 25% of the cost. Then Harry sold the piano to John but loses 25% of the cost. If John paid 2250$ for the piano, how much did George pay for the...

If a customer pays $18.00 for a DVD that originally cost $20.00 what is the percent decrease in the cost of the DVD?

A farmer considering selling her farm to developers who will convert to resort.

I'm having a bit of trouble with this question. So I know that I need to find the z-score, but after that i'm not sure how to fer the exact percentage? I know the formulas for the z-score and...

A dealer bought a used car for $12600, repaired it and sold it for $18000, thus making a profit of 25%. How much did he spend on repairs?

The price of a computer is reduced by 10%. by what percentage must the new price be increased, to restore the original price?

If the value of a gold coin is increased by 20% each year, find the percentage increase of the coin over three years.

A growth factor of 1.01 corresponds to a growth rate of _____ %

Emma went on a shopping trip and she bought shoes and a sweater.

Laura invested €1200 to be withdrawn in two equal instalments. The first instalment was to be withdrawn at the end of the second year and the other to be withdrawn at the end of the third year. if...

A cheetah can run at a maximum of 113km/h. The cheetah looses 7% of its maximum speed each year.Find the cheetahs maximum speed after 5 years.

A business owner takes out a 4-month loan at a 6% per year simple interest rate. At the end of the 4-month loan period, the interest owed is $194. What was the principal amount borrowed...

a watermelon weighing 20 kg contains 96% of water by weight . it is put in sun for some time and some water evaporates . so that now it contains only 95% of water by weight . the new weight of...

Question 1 options: If 756.39 decreases by 3.68%, what is the result? Round to two decimal places.

So i have 80% coinsurance on the first $2,000 and then 100% coinsurance on the next $20,000, what is my total coinsurance if i combine them?

A company produces a set of blocks. It costs them $5 to make. They mark it up 300% when they sell it to a toy distributor. The toy distributor marks it up an additional 150% when they sell it to a...

This question is stumping my 11 year old. Can someone please show me the process in which to solve this to help explain this to her.

A nurse needs rubbing alcohol, which is a 70% alcohol solution. However, there is only a 40% alcohol solution and a 90% alcohol solution in stock. How much of each solution should be mixed in order...

I know how to find the percent that she has earned currently, I do not know how to find the annual.

Which is the least and which is the greatest.. 0.125%, 0.35%, 0.6%