Maths practice for 14 year olds - page 114 of 379
Number of problems found: 7575
- Cost structure
You are currently trying to decide between two cost structures for your business: one with a greater proportion of short-term fixed costs and another more heavily weighted to variable costs. Estimated revenue and cost data for each alternative are as foll - Dimensions of rectangle
Find the dimensions of a rectangle, given that its perimeter is 110 cm. Its length is 1 cm, more than twice its width. - Percent to interval
76% is between which the following two numbers. 1) 1/5 & 1/4. 2) 1/3 & 1/2 3) 2/3 & 7/10 4) 3/4 & 5/6 - Markup
A store pays $370 for a bicycle. The percentage of markup is 19%. What is the selling price of the bike? - Profit margin
If total sales for the month are $450,000 and the profit margin is 40%, how much was the cost of goods sold? - Using
Using the point-slope equation, find the equation containing (-7, 3) and slope m = -4 - Two fifth Two-fifths of the workers in a factory are men. The rest are women if there are 28 men. How many more women than men are there?
- 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? - Proportion 52063
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?
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