The cost of a table is 320\$. A trader marks the table so that he could make a sum of money 25% of the cost. On the actual sale, he gives a special discount of 100\$. Find the amount of money he make...

When 1 kg of salt is added to a solution of salt and water, the solution becomes 33 1/3 % salt by mass. When 1 kg of water is added to the new solution, the resulting solution is 30% by mass. What...

What were his percentage marks in each of the three subjects ? In which subject did he perform the best ? What were his percentage marks on the whole ?

China produced 0.065 million pounds of corn. The total world production that year totaled 176 million pounds of corn. What percent of the world's total production of pounds of corn is contributed...

one in 3 miliion have iphone x. how much is that as a percentage of total world population

I have a list of 10 numbers indexed as percentages of a product's market cap, in relation to the total market cap, so the first number is 60%, the second 22%, the 3rd 12%, and so on. I need to cap...

Basically i m trying to calculate a grade. 2 minor tests each that have worth 10 points each one test that s 100 points and one final test thats also 100 points whats...

The tax rates were as follows: No tax one the first £11000 of earnings Earnings in excess of £11000 and up to £43000 taxed at a rate of 20% Earning in excess of 43000 and up to £150000...

An investor earns 3% return on 1/4th of his capital,5% on 2/3rd and 11% on the reminder. What is the average rate of return he earns on his total capital?

Let A and B be the two solid spheres such that the surface area of B is 300% greater than surface area of A. The volume of A is found to be x% lower than the volume of B. Then the value of x must...

in an examination the percentage of students qualified to the number of students appeared from school A is 60%.In school B the number of students appeared is 30% more than the studentsapperared from...