Percentages + multiplication - practice problems - page 2 of 11
Number of problems found: 203
- Compare offers
Which is the better offer: Three successive discounts of 10%, 10%, and 30% or Three consecutive discounts of 40%,5%, and 5%? Enter the answer as an A or B letter. - Carol 3
Carol reduces the size of a photo by 30%. If the length of each side is 12 cm, what is the length of the side of the new photo? - Increase and decrease A number is first increased by 20% and the resulting number is then decreased by 10%. Find the overall change in the number as percent.
- Percentages 14 If 20% of a number is 40, what is 30% of the same number?
- Same expenses
If the price of tea increases by 20%, what percent must the consumption be reduced to keep the expense the same? - Visitors 2
Due to decrease in entry fees by 25% the presentation of visitors is increased by 30% . Find the effect of this on the total entry fee? - Single discount from three Find a single discount equivalent to successive discounts of 10%, 20%, and then 20%.
- The expenses
The expenses on rice, fish and oil of a family are in the ratio 12:17:3.The prices of these articles are increased by 20%, 30% and 50% respectively. Find the total increased percent. - One half of percent How is 1/2% expressed as a decimal fraction?
- Profit chain
If the manufacturer gains 10%, the wholesale dealer 15%, and the retailer 25%, then what is the production cost of a washing machine whose retail price is 1000 euros? - The population 3
The population of the town is 126800. It increases by 15% in the first year and decreases by 20% in the second year. What is the population of the town at the end of 2nd year? - Single discount Find the single discount equivalent to two successive discounts of 20% and 10%.
- Error multiplication
In measuring the sides of a rectangle errors of 5% and 3% in excess are made. Find the error percent in the calculated area . - Tricky result
Classic adding with percentages: Evaluate 28% of 450 + 45% of 280
- Numerator and denominator If the numerator of a fraction is increased by 200% and the denominator of the fraction is increased by 150%, the resultant fraction is 9/35. What is the original fraction?
- Sales tax 2
The item cost $430 before tax. The sales tax is $17.20. Find the sales tax rate and percentage. - Charter flying service
Henry and Wayne operate a charter flying service out of Breckenridge, which has an elevation of 9,600 feet above sea level. Henry has two flights scheduled for the day. He is taking a couple from Breckenridge to Hamilton, which has a 35% elevation drop. A - The enrolment 2
The enrolment at a school has increased from 1400 learners to 1600 learners over 5 years. What is the percentage increase in enrolment? - Healthier snacks
In hopes of encouraging healthier snacks at school, Dan brought in a tray of carrot sticks and apple slices to share. The tray had a total of 40 snacks, of which 60% were carrot sticks. How many carrot sticks did Dan bring?
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