Math practice for 13 year olds - page 150 of 414
Number of problems found: 8279
- Two cities
On a map, 1.5 cm represents 50 miles. If the distance between the two cities on the map is 6 cm, how many miles separate the towns? - Equivalent equation
Which equation, when solved, results in a different value of x than the other three? A. - (7)/(8) x - (3)/(4) = 20 Negative 7/8 x minus three-fourths = 20 B. (3)/(4) + (7)/(8) x= -20 Three-fourths + 7/8 x = negative 20 C. - 7 (1)/(8)x - 3/4 = 20 Negat - Swimming pool 5
A rectangular inflatable swimming pool is 3 yards long, 2 5/8 yards wide, and 1 3/5 yards tall. What is the volume of the pool? Round the result to the nearest tenth. - 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? - Petrol as fuel
A car can travel 480 miles on a full tank of petrol. The tank holds 60 liters. The fuel gauge shows there are 15 liters left in the tank. How many more miles can the car travel before it runs out of petrol? - 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? - Items
Items A costs 675.35 while item B costs 1605.25. How much more was the cost of item B than item A? How much would you pay if you purchased items A and B? - An orchard
An orchard has 28 apple trees, 27 orange trees, and 14 cherry trees. What is the ratio of apple trees to cherry trees? - The import
The import duty is 12 percent. If the value of the goods is ; 84.00, how much is the import duty? - Perimeter of a triangle
If the perimeter of a triangle is 6 2/3 cm and the lengths of two sides are 2 1/2 cm and 3 1/3 cm, find the length of the third side. - The perimeter 6
The perimeter of the quadrilateral is 442.95 cm. The three known sides measure 84.56 cm,132.77 cm, and 82.75 cm. How long is the fourth side? - 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? - 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 ratio was the fabric divided when it was cut into pieces of 150 cm and 75 cm? 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)? - Ember
Ember spent $144 on her birthday party for 18 guests. If the cost is at the same rate, how many guests will there be if she pays $176? - Jigsaw puzzle
Krista has used 4/5 of the pieces in her jigsaw puzzle. She has used 120 pieces. How many pieces are in the whole puzzle? - Boys and girls 8
A class of 35 students has a boy-to-girl ratio of 2:5. Five boys are absent and five girls are absent. How many students are present? - A basket
A basket is full of 50 different kinds of fruits with a ratio of 2:3:5. If the fruits are apple, mango, and guava, how many guavas are there? - Golf ball
When a golf ball is hit with two iron, it rotates at a rate of 8 1/3 times/second. How many times does this ball rotate if it is airborne for 7 1/3 seconds?
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