Math practice for 13 year olds - page 67 of 353
Number of problems found: 7058
- 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? - The road
3/5 of a road is to be resurfaced. If the road is 2 3/5km long, what length in kilometers is to be resurfaced? - A hairdresser
A hairdresser is deciding where to open her studio. If the hairdresser chooses Location A, she will pay $1200 per month in rent and will charge $45 per haircut. If she chooses Location B, she will pay $1800 monthly rent and charge $60 per haircut. How man - Square 80371
Draw a square EFIJ if EI is equal to 7cm.
- Smallest 80368 What is the smallest whole number to replace the known x for: 9> x/3> 4.
- Repetition 80362 How many six-digit numbers without repetition can be formed from the digits 1, 2, 3, 4, 5, and 6, if the numbers are, to begin with: a) the digit 4; b) digits 4 or 5?
- Distance 80348
A cyclist traveled 50 km in 2 hours. A car followed him from the same city and overtook the cyclist in an hour. At what speed was the car going, and at what distance did they meet? - A pipe 2
A pipe is 30 feet long. It needs to be cut into pieces that are each 3/5 feet long. How many pieces can be made from the pipe? - 36 shirts
Thirty-six shirts were on sale for 2/3 of the regular price. If the sale price of each shirt was $30, what was the regular price?
- Ice cream
Two and a half liters of ice cream are divided (unequally) into two parts that are in the ratio of 1:7. How much is each part? - Issac 2 Issac bought some wire for his project. He used 1/3 of the wire and had 80 cm of wire left. How much wire did he have at first
- Four-fifths 2
Four-fifths of Zack's stamps have pictures of animals. If he has 20 stamps with these pictures of animals, how many stamps does Zack have? - Ron has
Ron has 4 2/3 liters of oil. He kept 1 1/4 liters and divided the rest into parts of 3/4 liter each. How many parts did he make? - 20 students
Twenty students took a test. Ten students got an average (arithmetic mean) score of 80. Five of them got an average score of 75. And the remaining 5 students got an average score of 55. What is the average score of the 20 students?
- Skip's
Skip's Dog Shelter rescues collies. 3/4 of the collies are older than 10, and 1/3 of the remaining collies are between 3 and 5. Suppose there are 2 dogs between the ages of 6 and 10. How many dogs are there in all at this rescue shelter? - All-natural 80304 Determine the number of all-natural five-digit numbers in decimal notation that each have the digits 0, 1, 3, 4, 7.
- Andrew 2
Andrew and Chloe went shopping. Andrew spent $10 less than Chloe. If we let y represent how much Chloe spent, write an algebraic expression for how much Andrew spent - Percentage 80164
I was given a square ABCD 4.2 cm. Find the set of all points that have a distance less than or equal to 2 cm from one of its vertices and lie inside this square. Indicate how much of the square this area occupies as a percentage. - Simultaneously 80154 A pedestrian and a cyclist set off simultaneously from two villages 24 km apart. The pedestrian walked at an average speed of 4 km/h and met the cyclist after ninety minutes of walking. What was the average speed of the cyclist?
Calculate how much land Felix Baumgartner saw after jumping from 36 km above the ground. The radius of the Earth is R = 6378 km.Do you have unsolved problem that you need help? Ask a question, and we will try to solve it. Solving math problems.
