Math practice for 13 year olds - page 267 of 428
Number of problems found: 8554
- Quarter circle
What is the radius of a circle inscribed in the quarter circle with a radius of 100 cm? - Square metal sheet
We cut out four squares with a 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. - Bricklayer
How much do we pay for a bricklayer laying pavement in a square room with a diagonal of 8 m if 1 sqm of work will cost CZK 420? - Water level
How high is the water in the swimming pool with dimensions of 37m in length and 15m in width if an inlet valve is opened for 10 hours, flowing 12 liters of water per second? - Equilateral triangle ABC
In the equilateral triangle ABC, K is the center of the AB side, the L point lies on one-third of the BC side near point C, and point M lies on one-third of the side of the AC side closer to point A. Find what part of the ABC triangle contains the triangl - Triangular Prism Volume
A triangular prism has the base of a right triangle with 6 dm and 8 dm legs and a hypotenuse of 10 dm. The height of the prism is 40 dm. What is the volume of a prism? - Workers 9
If two workers fix two windows in an hour, how many windows can 18 workers fix in the same two windows? - Triangle rectangle area
The triangle has a base of 7 cm and a height of 6 cm. The rectangle has one side of 10.5 cm and the same area as the triangle. What is the length of the other side of the rectangle? - Monica
Monica left Php.900 to Bianca. When Monica asked for it after six months, Bianca decided to give Php.945 instead because she could use the money. What was the interest rate on Monica's money used by Bianca? - Fix + percentages
Mrs. Vargas is a car sales agent who earns Php.5,850 monthly plus a 4% commission on all her sales. In a month, she sold a car worth Php.740,000. Thus, her total earnings are Php. 5,850. - School yearbook
Bianca sold Php.18,500 worth of advertisements for the school yearbook. If she is given a commission of 8%, how much did she earn for the advertisements? - Deposit is pesos Sally deposits Php.22,000 in her savings account. If the bank pays 1.5% interest per year, how much will she receive at the end of the year?
- Temperature conversion
The average human body temperature is 98.6 degrees Fahrenheit. What is the temperature in degrees Celcius? - Real estate 2 A real estate agent sold a lot for Php.550,000. If his agency pays a 10% commission, how much commission will they receive?
- Loan 4 Mr. Santos borrowed Php.18,000 at 1.5% interest for one year. What was the total amount he paid for the end of the 1-year term?
- Sales tax A sales tax on a Php 10,800 appliance is Php.1,620. What is the rate of sales tax?
- Mister
Mister Ignacio paid Php 13693.75 for a television set that originally cost Php 15,650. Find the rate of discount. Please show your solution, please, please, please. - Old laptop
The sale price of an old laptop is Php.11000. If a 33 1/3% discount rate is given, how much is the sale price of the laptop without the discount? Please show your solution. Php is the Philippine peso. - Evening shift
While working the evening shift, Officer K took 8 hours to complete a task at his workstation, and Officer M took 10 hours to complete the same task at his workstation. How long would it take Officer K and M to complete the same task, each working at his - Quarter of a circle
Calculate the circumference of a quarter circle if its area is S = 314 cm².
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