Math practice for 13 year olds - page 145 of 435
Number of problems found: 8681
- 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? - Sides of a rectangle
The dimensions of a rectangle are in a 4:12 ratio. If the shorter side length is 12 cm, what is the length of the longer side in centimeters? - My brother
My brother is missing 240 assignments. He wants to finish them all. If he does two each day, how many days will it take for him to finish 1/3 of his assignments? - Half of 2
Half of Ethan's string is equal to 2/3 of Kayla's string. The total length of their strings is 10 feet. How much longer is Ethan's string than Kayla's? - The printer
A total of 6 pieces of book covers were printed in 0.12 hours. Each piece of the book cover was published in equal time. Calculate the time, in hours, to print 30 book covers. - Bay Area
Bay Area Rental Cars charges $14 a day and $0.12 per mile for renting a car. You rented a car for four days and drove 475 miles. Find the total cost of renting the car.
- A man 3
A man buys a box of fruits containing 286 fruits. Out of these, 1/2 are apples, and the rest are pears. 4/13 of the pears are rotten. He sells the good pears at rupees 4 1/11 each. How much money does he receive on selling the good pears? - If-then equation
If 1/2 + 2/5s = s - 3/4 What is the value of s? - Percentages 8
What percent (%) is the amount of 12 from a base of 69? Round the final result into two decimals. - The sum 10
The sum of the three decimals is 938.629. Two of them are 456.54 and 392.69. Find the third one. - Francesca Francesca is growing 1/2 inch each year. How many years will it take for her to grow 6 inches?
- 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? - What is 9
What is the value of x in the proportion of 2 and one-fourth over x = 1 and one-half over 3 and three-fifths? 2 and two-fifths 5 and two-fifths 8 and 1 over 10 12 and 3 over 20
- Simple linear equation
What is the solution to the equation 70 = 1.4y? - 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? - A map 4
A map represents every 4 miles with 1 inch. If a school and a bank are 12 miles apart, how far apart are they on the map, in inches? - Chocolate bar
Shen's chocolate bar is 54% cocoa. If the weight of the chocolate bar is 54 grams, how many grams of cocoa does it contain? Round your answer to the nearest tenth.
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