Math practice for 13 year olds - page 38 of 417
Number of problems found: 8337
- Dorothy
Dorothy feeds her dog during noon time with 2/5 kilograms of dog food and during night time with 3/7 kilograms of dog food. How much is dog food fed to her dog in a week? - The sum 37
The sum of 5 and one-sixth of a number x is equal to 12 less than x plus 2/5. Find x. - An inheritance
An inheritance of P1,500,000 will be divided in the following manner: Rene 2/5, Maria 2/5, and Martha 1/5. Find the amount each heir will inherit. - Negative temperature
On a certain day, the temperature is - 12/5°F. After 2 days, the temperature decreases by a factor of 7/3. Find the temperature. - £4.20
£4.20 per 100g; what would 0.118 kg equal? - Percent increase
2.22 to 2.52 What is the percentage increase? - Trapezoid 52
Trapezoid perimeter = 39a-7. Three sides have the following length: 9a, 5a+1, and 17a-6. What is the length of the fourth side? - Percents 4
900 to 1200. What is the percentage increase? - The difference 4
The difference between four times a number and five is the same as three more than twice a number. Find the number. - The area 4
In square decimeters, how much is the area of a cylinder with a height of 2 dm and a diameter of 1 dm? " - Percentages 10 Pls, convert 1/7 into a percent. What is the solution?
- A number 7
A number is such that if we multiply it by 3/5 and add 4/7 to the product, we get -2/35. Find the number. - Average and mean
Suppose that the average of the four values, {-1, x, -2x, 3}, is equal to x - 1. Find the value of x. - The ratio 10
The ratio of length and breadth of a rectangular park is 3:2, and its perimeter is 150m. Find its area. - The linear
The linear equation 5y-3x-4=0 Can be written in the form y=mx+c. Find the values of m and c. - The total 2
The total price of a car is $17,050 the selling price is $16500. What was the sale tax - My 4 My 4-digit number is a palindrome; it has a remainder of 21 when you divide it by 100. what is my number? A palindrome is a number that does not change if you write it backward.
- Angles sum 180
In triangle ABC, the measure of ∠A is 30°, and the measure of ∠C is 90°. What is the measure of ∠B? - The distance 3 The distance covered by car in 1 hour is 38 1/2 km. Find the distance it will cover in a) 3 1/2 hours, b) 5 hours.
- A pet 2
A pet store has 15 birds and 75 fish. In the simplest form, what is the pet store's ratio of birds to fish?
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