Math practice for 13 year olds - page 65 of 350
Number of problems found: 6988
- Joe spends
Joe spends 3 3/4 hours each day of the week doing his homework, but Mirabel spends only 2 hours each day of the week on hers. How long in a week does Joe spend on his homework more than Mirabel? - The mass
The mass of a table is 6.4 kg, and the mass of a chair is 800 g. How many times is the table heavier than the chair? - Elisa
Elisa got the following grades in five subjects: 87, 88, 89, 88, and 90. What is her average in the five subjects? - Carates
A 5/8 karat diamond was purchased for $1200. What would a similar diamond weigh 1 karat cost?
- Proportional relationship 2
If y is proportional to x, and y=150 when x=2.4, what is the value of y when x=3.5 - The cost 8
The cost of 7/2 meters of cloth is $231/4. What is the cost of one meter of cloth? - Cutting in the ratio Suppose a 75 m rope is cut in the ratio of 2/3. What is the measure of the longest cut?
- Solve 17
Solve a reciprocal equation: 18 36/64=9:n - Consecutive integers The sum of three consecutive integers is 228. Find the three consecutive integers.
- Water meter
The readings on a water meter in April and May were 417.8 m³ and 430.4 m³. If there is a basic charge of P23 and the cost per cubic meter is P20, how much is the billing for water consumption? * a. P252 b. P254 c. P272 d. P275 - A pentagon
Find the perimeter of a pentagon whose sides measure 11/2 cm, 7/4 cm, 3 1/3 cm, 2 1/3 cm and 2 1/12 cm. - The sum 26
The sum of Anna and Ina's ages is 19. In 4 years, Anna will be twice as old as Ina. What are their ages now? - A gravel
4 1/8 tons of gravel is spread evenly across 2 1/6 acres. How many tons of gravel are on each acre? - Edwin
Edwin found that 18 out of 24 of her friends have a pet. How many percent of her friends have pets?
- Two numbers sum and product Two numbers have a sum of 12 and a product of 27. What is the larger number?
- Sum of 24 The sum of the two numbers is 95. If one exceeds the other by 15, find the numbers.
- Two numbers 14 Two numbers are in the ratio 7:9. If the sum of the numbers is 112, then the larger number is:
- The sum 25 The sum of the two numbers is 215. If the ratio is 2: 3, find the larger number. A. 86 B, 129 C. 215 D. 381
- Tom sold Tom sold 75% of his farm, and the number of acres sold was 150. How many acres were there on the farm before selling?
We have 10 red and 10 white balls. We will take 5 white. What is the probability of picking a white ball?Do you have unsolved problem that you need help? Ask a question, and we will try to solve it. Solving math problems.
