Math practice for 13 year olds - page 20 of 422
Number of problems found: 8424
- 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? - ET inscribed circle
An equilateral triangle has been inscribed in a circle with a radius of 4 cm . Find the area of the shaded region. - 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? - 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 - Drain and inlet
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? - A picture crop
Mr. Paul has a picture that measures 4 by 12 inches. It must be reduced so that the longest side measures 4 inches to fit in the school newspaper. Find the length of the shorter side of the picture once it has been reduced. - Ketchup vs mustard
A 20-ounce bottle of ketchup costs $2.80. A 14-ounce bottle of mustard costs 2.38. Which item costs less per pound? How much less? - The endpoints
The endpoints of a segment are (-6,1) and (10,11). What are the coordinates of its midpoint? - Saw a board
A board of 16 3-fourths inches is cut from a board that is 3 feet long. If the width of the saw cut is one-eighth inch, what is the length of the remaining piece? - Addition method
Solve for the variables by substitution or addition method: x + 3y = 19 5x + 3y = 35 - A bag 6
A bag contains 3 red marbles, 8 blue marbles, and 5 green marbles. If two marbles are drawn out of the bag, what is the probability, to the nearest 1000th, that both marbles drawn will be blue? - Bus transportation
Your local varsity basketball team offers bus transportation for a playoff game. Each bus holds 56 people. A total of 328 people sign up. All buses are full except for the last bus. How many buses are used? Question 2: How many people are on the last bus? - An isosceles triangle
An altitude is drawn from the vertex of an isosceles triangle, forming a right angle and two congruent triangles. As a result, the altitude cuts the base into two equal segments. The length of the altitude is 18 inches, and the length of the base is 15 in
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