Math practice for 13 year olds - page 86 of 422

Number of problems found: 8425

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?
A pancake
A pancake recipe requires 1 2/3 cups of flour to make 20 pancakes, and you have 9 cups of flour. How many pancakes can you make with 1 cup of flour? How many pancakes can you make with 9 cups of flour?
Probability 80394
We have 10 red and 10 white balls. We will take 5 white. What is the probability of picking a white ball?
Original 80393
Resize the square to 10:3. The original size is 3 cm.
Spending 5
A boy spends 3/4 of his pocket money, and then 4/5 of the remainder is given to his sister. If he has 40 left, what did he have at first?
The ratio 8
The ratio of blue cards to red cards in a stack is 4 to 7. If there are a total of 121 cards in the stack, how many of the cards are blue?
To convert
To convert from a Celsius temperature to a Fahrenheit temperature, multiply the Celsius temperature by 9/5 and add 32. Which is the Fahrenheit temperature corresponding to - 30 degrees Celsius?
Possible terms
Write the following expression using the fewest possible terms. the expression quantity two-fifths times t minus 7 plus two-thirds times t end quantity minus quantity five-sixths times t plus 14 end quantity
Divide in ratio 3
Divide 4089 items between four people, A, B, C, and D, in the proportions: 7:9:4:9. How many items do B, and D get?

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