Maths practice for 14 year olds - page 117 of 375
Number of problems found: 7497
- Dice 7
A standard number cube is tossed 210 times. What is a reasonable prediction for the number of times the number cube will land on a 5? - Nelly 2
Nelly buys a board game. She pays for the board game and pays 1.54 dollars in sales tax. The sales tax rate is 5.5 percent. What is the original price of the board game before tax? - Three unknown numbers
The sum of the three numbers is 106. the first number is ten more than the third. The second number is 2x the third. What are the numbers? - Language test
Your language test scores are 58, 68, 89, and 95. What is the lowest you can earn on the next test while still achieving an average of at least 79? - The ratio 3
The ratio of male pupils to female pupils in the Gymnasium is 7:9. If there are 512 pupils, how many pupils are male? - The import
The import duty is 12 percent. If the value of the goods is ; 84.00, how much is the import duty? - Mrs. Zarka
Mrs. Zarka has three pies for a party. She calculates that if she splits the pies evenly among the guests, they will each receive 1/6 of a pie. How many guests are there? - And-or probabilities
P(A ) = 0.53, P(B) = 0.15, and P(A n B ) = 0.18. Find P(A U B ). Round approximations to two decimal places. - The coordinates
The coordinates (5, 2) and (-6, 2) are vertices of a hexagon. Explain how to find the length of the segment formed by these endpoints. How long is the segment? - Fabric ratio division
In what proportion did we divide the fabric when we cut it into 150cm and 75cm a) 15:7 b) 4:2 c) 2:1 d) 3:2 - What is 10
What is The area of a parallelogram that has vertices with the coordinates (0, 0), (4, 0),(5, 3), and (1, 3)? - Boys and girls 8
In a class of 35 boys and girls with a ratio of 2:5. 5 boys are absent, and five boys are present. How many students are present? - Boys and girls
If the ratio of male and female teachers is 2/5 and the proportion of male and female students is the same, how many are girls if there are 42 boys? - Polygon - area coordinates
Find the perimeter and the area of the polygon with the given vertices. T (2,7), U (2,9), V (5,9), W (5,7) - Beef taxation
In December, beef cost € 5.71 per 1 kg. How much should the price of 2.5 kg of beef change if VAT changed from 20% to 10%? How much will 2.5kg cost in January? - Percentages 8
What percent (%) is the amount of 12 from a base of 69? Round the final result into two decimals. - Quadrant four
Which point is located in Quadrant IV? A coordinate plane. A(-8, 6) B(-8, -6) C(8, -6) D(8, 6) - Tyreek
Tyreek, Antuan, and Alex are given a total of $3500 to be shared among themselves in the ratio of 3:5:12. How much does each get money? - Boats 2
Three-quarters of the boats in the marina are white. 4/7 out of the remaining boats are blue, and the rest are red if there are nine red boats. How many boats are in the marina? - The sum 9
The sum of two integers is 4. Their difference is 8. What are these two integers?
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