Percentages + multiplication - practice problems - page 5 of 9
Number of problems found: 161
- Percent change
The length of a rectangle is increased by 25%, and the width is decreased by 10%. By what percent is the area of the rectangle larger than the area of the original rectangle? - Increase 7763
What number do we need to multiply by 20 to increase by 5% - What 7723
What is 17% of 30% of 500? - Additional 7569
The store reduced the original price by 40% during the sale. In addition, he sent an SMS message to his loyal customers with an offer of an additional 15% discount on the price of already discounted goods. Calculate how much the original price was reduced
- Calculate 7483
Calculate the interest and rum (APR, annual interest rate) is 2.5% and the principal 50,000. - Decomposed 7258
The number 135 can be decomposed into the product of two factors so that one will be three greater than 40% of the other. What are these factors? - Boys and girls
There are eight boys and nine girls in the class. There were six children on the trip from this class. What is the probability that: a) only boys went on the field trip b) just 2 boys went on the field trip - Mixed with percentages
Calculate 33 1/3% of 570. - Inverted nine
In the hotel Inverted Nine, each hotel room number is divisible by 6. How many rooms can we count with the three-digit number registered by digits 1,8,7,4,9?
- Fruit tea
Tea contains 7% of fruit components and 12% of sugar in this component. How many percents of sugar is represented in the whole tea? - Associative law multiplication
You obtain a 20% discount in a warehouse, but you must pay a 15% sales tax. Which would you prefer to have calculated first: discount or tax? Explain. (result write as: 1 = first discount, 2 = first tax, 3 = no matter what first) - The ball
The ball was discounted by 10 percent and then again by 30 percent. How much percent of the original price is now? - Percentage 5834
There are 1.5 times more women than men in the theater. What percentage of women are more than men in the theater? - Increased 5778
The price of yogurt increased by 20%, and the number of yogurts sold fell by 10%. How have yogurt sales changed?
- Probability 5576
Jana rolls two dice at the same time. What is the probability that she will score a total of four points? - Rate or interest
At what rate percent will Rs.2000 amount to Rs.2315.25 in 3 years at compound interest? - Missing 5374
There are 32 pupils in the class. How many pupils were missing from school if 12.5% were absent? - Improvements 5370
After technical improvements, the radio receiver, whose price was 220 €, was auctioned for 20%. He was later reduced by 15% of the new price. What was its final price? - Highway repair
The highway repair was planned for 15 days. However, it was reduced by 30%. How many days did the repair of the highway last?
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