Basic operations and concepts - practice problems - page 4 of 323
Number of problems found: 6443
- Children
Of the estimated 2 billion children living in the developing world, approximately 400 million do not have access to safe drinking water. Approximately what percentage of children in developing countries do not have safe water to drink? - Express 72
Express the percentage to a fraction. 15% - Convert 8 Convert 11/2 into a percent?
- A recipe 6
A recipe requires 2 cups of milk for every 3 cups of flour. If you use 8 cups of milk, how many cups of flour do you need? - Nelson
Nelson has a weekly salary of $445.86 and is self-employed. Use 7.51% for not self-employed and 12.3% for self-employed for the Social Security Tax. How much Social Security should be withheld? - One group
In a meeting of 100 people, there are 45 women, what fraction of the number of the meeting are men. - A retailer A retailer buys an item for $2.16 and sells it for $2.70. What is the percent increase in price?
- Wheat flour
If the cost of 1 kg of wheat flour is Tk 41 1/2, find the cost of 3 1/4 kg of wheat flour. - First year
First-year students enrolled at FEI were determined to be 2,000. Fifty-five percent are electronics students. How many are IT students? (Present your solution plus answer) - The loss The cost is 80. They wanted to sell them for 100. In fact, a year later, they sold it for 60. What is the percentage of loss?
- A tip
Determine a 20% tip for a dinner that costs $65.00. - A man 15
A man owns a piece of land worth 0.6 million. He taxed in 3/4 of its value at the rate of ₱7.00 per 1000. How much is he paying for the tax on his property? - Tax bill What is the tax bill for a contractor if his shop has an assessed valuation of $75,000, and the tax rate is $27.50 per thousand dollars of assessed valuation?
- Bulk purchase rabat
You can purchase a gross (12 dozen) of 1-inch tape at 93 cents per roll. Individual rolls of the same tape are $1.02 each. Describe the amount (in percent) that you will save if you take advantage of buying tape in bulk. - Glue strength
At 40°C, it takes 3 hrs to get 125% glue strength. How long does it take to get 100% at 50 ˚C? The higher the temperature, the faster it cures the glue. - Your brownie
Your brownie recipe calls for 5 cups of butter to make 80 brownies. You want to make 100 brownies for your family. How much butter should you use? - A piece 11
A piece of wood is 220cm long. If 66cm is cut away from the wood, what percentage remains? - Apples 29
In a fruit market, apples are currently £4 per kilogram. If you buy ten kilograms of apples, you will receive three-tenths of the total price. How much will you pay for ten kilograms of apples at the market? - Eva 46 Eva works as a sales clerk. She is paid a salary of 3000 a week plus a 2% commission on sales over 4000. Find her gross pay for a week in which her sales are 9500.
- Time vs pizza
If Mr. Cromleigh can eat 1/4 of a pizza in 1/6 of an hour, how many pizzas can he eat in one hour? He can eat ____ pizzas.
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