# Percentages + subtraction - math problems

#### Number of problems found: 25

• A discount
A discount clothing store is selling a \$72 sport jacket for \$24 off the regular price. What is the discount rate?
• Paulownia
Seed germination is 80%. Of the sprouted plants, 8% subsequently die. How many plants does a gardener grow from 1,500 seeds?
You need to make a pad in the shape of a regular octagon with a side length of 4 cm. What is the minimum diameter of the circle-shaped semi-finished product from which we make the pad, and what will be the percentage of waste? (Round the results to 1 deci
In January 2012, the Social Security Administration increased benefits to its recipients for the first time since 2009. Before the increase, James received \$1200/month. After the increase, he received \$1243.20/month. Find the percent increase in Social Se
• Metal washers
Metal washers with a diameter of 80 mm are cut from a strip of steel sheet with a width of 10 cm and a length of 2 m. Calculate the percentage of material waste if no material is lost when two adjacent circles meet.
• The price
The price of the calculator gradually decreased. From 65 euros to 30 euros, then to 10 euros and finally to 4 euros. What percentage were the individual reductions? What percentage of the original price was reduced by a total of?
• Concert ticket
Noah wants to save \$60 so that he can purchase a concert ticket. If he has saved \$45 so far, what percentage of his goal has he saved? What percentage remains?
• Seasonal sale
The bike became cheaper on the seasonal sale by 22%, which is 88 euros. At what price is it sold now?
• The surface area
How much percent will the surface area of a 4x5x8 cm block increase if the length of the shortest edge is increased by 2 cm?
• Percents from percent
How much is 13% of 20% of 500 greater than 8% of 14% of 200?
• A cloth
There are flower cloth 495 meters, white cloth 330 meters. What is the percentage of white cloth? How much is white cloth less than flower cloth?
In January, 2 liters of lemonade were sold for CZK 24, while in February, 2.5 liters of lemonade sold at same price. How much percent was 1 liter of lemonade cheaper in February than in January?
• Flawless
Of the 3820 products, 3792 were flawless. What percentage was due to failures?
• Math test
Obelix filled a mathematical test in which he answered 25 questions. For every correct answer, he received 5 points, for each bad answer he had 3 points deducted. Obelix gained 36% of all points in the test. How many questions did he solve correctly?
• Waste
How many percents are waste from a circular plate with a radius of 1 m from which we cut a square with the highest area?
• Square metal sheet
We cut out four squares of 300 mm side from a square sheet metal plate with a side of 0,7 m. Express the fraction and the percentage of waste from the square metal sheet.
• Cost reduction
Two MP3 players whose price was equal to originally have been discounted the first by 20%, the second by 35%. The difference in their prices 750 CZK was after the price reduction. What was the original price of each of the two players?
• Percents
How many percents is 900 greater than the number 750?
• Cancer
Of the 80 people 50 people ill cancer. What percentage of people isn't ill?
• Desribed circle to rectangle
Rectangle with sides 6 cm and 4 cm was circumscribed circle. What part of the content of the circle determined by the circumscribed circle occupies a rectangle? Express in perctentages(%).

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