Maths practice for 14 year olds - page 229 of 368
Number of problems found: 7347
- Sugars
In what ratio must two sorts of sugar, costing ; 390 and ; 315 per kg, be mixed to produce a mixture worth ; 369 per kg? - Progression
-12, 60, -300,1500 need the next 2 numbers of pattern - Summer tires
Three tire servants must change the summer tires on six cars in 2 hours. Mark's replacement would take 4.5 hours, Jirka would do it in 3 hours and 10 minutes, and Honza in 4 hours. Will they be able to replace all tires at the desired time? - Brigadiers 6965
Brigadiers Ivan, Lea, and Dano earned a total of 480 €. Ivan made a third of that money. Lea and Dano made the remaining money in a 3:1 ratio. How much € did Leo earn? - 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. - Body diagonal
Calculate the volume and surface of the cube if the diagonal body measures ten dm. - 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? - Circle annulus
There are two concentric circles in the figure. The chord of the larger circle, 10 cm long, is tangent to the smaller circle. What does annulus have? - 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 6950
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? - Commission 2
Mr. Gomez sells used cell phones. His commission for every cellphone sold is 20%. If his total sales are Php 33850, how much is his commission? Please, please, please show your solution. - Shuyen Shuyen wanted to save some money. She deposited Php.300 in a bank that pays 0.5% interest per annum. After nine months, she needed the money to buy some gifts. How much will she be able to get if he withdraws all her money from the bank?
- 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?
- 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.
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