Math practice for 13 year olds - page 17 of 364
Number of problems found: 7276
- Nautical vs statue mile
A nautical mile is the unit of length used in sea and air navigation. A nautical mile is equal to 6,076 feet. What percent of a statue mile (5,280 ft) is a nautical mile? - Human population
The populations of two cities after t years can be modeled by -150t+50,000 and 50t+75,000. What is the difference in the populations of the towns when t=4? - The average 12
The average of the first five numbers drawn was 2499. the first four numbers were 4165, 320, 7142, and 64. What was the fifth number? - A room
A room is 8 2/3 m by 5 1/4 m. What is the area of the room?
- Fraction money
5/8 of a sum of money is £1.10. What is the whole amount? - Fraction equation 3
A number minus one-ninth equals one-half. Find the number. - Soup mixes
You sell soup mixes for a fundraiser. For each soup mix you sell, the company that makes the soup receives x dollars, and you receive the remaining amount. You sell 16 soup mixes for a total of (16x+96) dollars. How much money do you receive for each soup - Building blocks
Rosa bought a set of building blocks for her younger brother, Owen, for his birthday. Owen opened the gift and immediately used all 35 blocks in the set to build a tower shaped like a rectangular prism. Each block is a cube that is 1 1/2 inches along each - Kareem Kareem has completed 68 deliveries so far this week. He needs to make 80 deliveries for the week. What percentage of his deliveries has Kareem completed?
- The midday
The midday temperature in Pensacola Beach was 84°F. For the next five hours, it changed to –2°F per hour. The expression 84 − |−2 ⋅ 5| represents the current temperature. What is the current temperature in degrees Fahrenheit? - Evaluation order quiz
Which of the following is NOT true about the expression given below? (10 +4)²- 25 ... - A teacher 3
A teacher gives pens and pencils to elementary students at an equal rate in each classroom. Pencils; Pens 18 ; 72 29 ; A 35 ; 140 B ; 168 Determine the unknown value for the letter B. - Perimeter - general
Solve: the perimeter of a triangle is 4x+1.if two of it side are(x+2) and (x-1). Find the third side. - Customers 4
Out of the 510 customers, 150 bought at least two items. What percent bought at least two items?
- Chocolate and chips
A bar of chocolate costs ₹10.50, and a packet of chips costs ₹6.75. What will the cost be of 8 bars of chocolate and five packets of chips? - Long hairs
There were 30 students in a class. Eighteen had long hair. What percentage of the class had long hair? - A jug
A jug holds 1 2/3 of a liter of water. How much does a 5 1/2 jug hold? - The proportion
The proportion's first, second, and third terms are 4, 20, and 13. Find the fourth term. - Farmer 8
Farmer George cultivated 7/12 of his land with oranges and 1/5 of the remainder with cherries, and the remaining 40 acres he planted with cash crops. How much land did the farmer cultivate in all? What fraction of land does she plant with cherries?
Mr. Lee has a rope. The total length of the rope is 5 meters. He cuts off 350 centimeters of rope to use in his garden and another 75 centimeters to hang a bird feeder. What is the length of the rope he has left in centimeters?Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
