Math practice for 13 year olds - page 18 of 362
Number of problems found: 7231
- Mr. Lee
Mr. Lee has a rope. The total length of the rope is 5 meters. He cuts off 350 centimeters of rope to use in his garden and another 75 centimeters to hang a bird feeder. What is the length of the rope he has left in centimeters? - School choir
A school choir performed in 40 total competitions and lost 8. Gabrielle was a soloist in 3/8 of the winning competitions and 1/4 of the losing competitions. What fraction of the competitions did the school choir win? In how many competitions did Gabrielle - Charter flying service
Henry and Wayne operate a charter flying service out of Breckenridge, which has an elevation of 9,600 feet above sea level. Henry has two flights scheduled for the day. He is taking a couple from Breckenridge to Hamilton, which has a 35% elevation drop. A - A band
A band played an encore at 2 of its last 4 shows. Considering this data, how many of the band's next 14 shows would you expect to have an encore?
- A right 3
A right triangle has a perimeter of 300 cm . its hypotenuse is 130cm. What are the lengths of the other sides . - HCF - big numbers
Find the HCF of 72030 and 88200 - Julia - recipe
Julia is using 60 g of butter in a recipe. She needs to use a butter-to-sugar ratio of 6:5. How much sugar should she use? - Petra 6
Petra sold an item for 4000 and made a 40% profit. What was the cost price of the product? - A rectangle 13
A rectangle has an area of 15 square inches. What is the unknown side length if one side length is 1 2/3 inches wide?
- Fraction number
If two-thirds of a number is added to one-ninth of the same number, the result is 7. Find the number. - Kelly earning with overtime Kelly earns $12 an hour. She works 40 hours a week with time and a half for overtime. Kelly worked 46 hours. How much did she earn?
- Cupcakes
Keia and Hiro made a total of 27 cupcakes. Keia made 2 times as many cupcakes as Hiro. How many cupcakes did Hiro make? - Tomato plant
Bruce's grandmother loves to use fresh tomatoes in her homemade pasta sauce. Bruce thought she might like to grow her own, so he bought her a planter box and a tomato plant. The planter box is shaped like a rectangular prism. It is 12 1/2 inches long, 10 - Harold
Harold made a rectangular dog run in his backyard. The area of the dog run is 96 square feet. What are three different possible dimensions of dog run?
- Collinear lines
Points A, B, and C are collinear, and B lies between A and C. If AC = 48, AB = 2x + 2, and BC = 3x + 6, what is BC? - The triangle 6
The triangle has an area of 7 ⅞ cm² and a base of 5 ¼ cm. What is the length of h? Explain your reasoning. - The ratio 19
The ratio of males to females in a school is 1:2. If there are 24 pupils, find the number of males. - Horseback riding
The total cost to go horseback riding is x dollars per hour plus a $2 fee for renting a helmet. Which expressions represent the cost, in dollars, for 4 people to go horseback riding for 3 hours each? Select all that apply. Responses: A = 4(3x+2) B = 3(4x+ - Julia 4 Julia correctly solved a math problem by first dividing 44.5 by 5 and then subtracting 23 from the result. Which equation could be solved to get the same answer? Responses: A 5x+23=44.5 B 5(x-23)=44.5 C 5(x+23)=44.5 D 5x-23=44.5
The reservoir is filled with inflow in 12 hours. It will drain through the drain in 9 hours. Can the tank overflow if we leave the inlet and outlet open at the same time?Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
