Math practice for 13 year olds - page 132 of 434
Number of problems found: 8662
- Wednesday 59483
The eighth graders took part in the planting of saplings in the forest for four days. On Monday, they planted a quarter of all the saplings they were supposed to plant. They planted a third of what they had left from Monday on Tuesday. On Wednesday, half
- The ratio 6
The ratio of cats to dogs is 2 to 5. If there are 35 total animals in the shelter, how many dogs are there?
- Fruits 6
Ten mangoes, six guavas, and eight chicos are in a basket. What part of the total number of fruits are guavas?
- Janna
Janna takes her medicine three times a day. If 2 1/2 ml is taken each time, how many days will a 60 ml medicine last?
- Find two 2
Find two decimals between 4.56 and 6.927 so that the difference between any two consecutive decimals is the same.
- A sum 2
A sum of money is divided between Laura and Joan in the ratio of 2:3. Laura gets 8 pesos. How much did Joan get?
- The product 5
The product of two numbers is 250. One factor is 1/10 of 250. What is the second factor? What is the reciprocal of 1/10 of 250?
- A pair
A pair of shoes costs $52.99, and the sales tax is 8%. Use the formula C = p + rp to find the total cost of the shoes, where C is the total cost, p is the price, and r is the sales tax rate.
- Highway
A stretch of highway 12 1/4 kilometers long has speed limit signs every 7/8 of a kilometer. How many speed limit signs are on this stretch of highway?
- Commission rate
George sold a house and lot worth Php 2,000,000.00. If the owner gave him Php 110,000.00 as a commission, what is the commission rate?
- Turning machine
What is the smallest diameter of the cylinder so that a square prism with a side of 40 cm can be turned from it?
- The ratio
The ratio of the lengths of the two circles is 5:2. Find the ratio of a a) the radii of these circles b) the areas for these circles
- The cost 4
The cost to tile a floor that measures 7 x 6 square feet is $ 2,100. How much will tile a floor measuring 11 x 13 square feet cost?
- Last wagon
A 200 m long train passes through the 700 m long tunnel so that a time of 1 minute elapses from the entry of the locomotive into the tunnel to the exit of the last wagon from the tunnel. Find the speed of the train.
- Grandma
Grandma is 57 years older than her two twin granddaughters. If we add the ages of an older woman with both granddaughters, we get the number 99. How old is her old woman?
- Corresponding 59063
Calculate the radius and area of the circular segment if the center angle = 106° and the length of the corresponding circular arc is l = 52 cm.
- Circular arc
Calculate the center angle and length of the circular arc if the radius r = 21 cm and the area of the slice is 328.5 cm²
- Quadrilateral in circle
A quadrilateral is inscribed in the circle. Its vertices divide the circle in a ratio of 1:2:3:4. Find the sizes of its interior angles.
- Volleyball 2
In a volleyball game, Michael made four shots in 8 tries. At this rate, how many shots can he make in 12 tries?
- Circular segment
What is the radius of a circular section whose central angle is 36° and the area of S = 53.095 cm²?
Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.