Math practice for 13 year olds - page 74 of 353
Number of problems found: 7046
- I bought 2
I bought two bottles of alcohol and two sanitizers for Php126. How much is a bottle of alcohol if the cost of alcohol is five times the cost of sanitizer? - A cube
A cube has a surface area of 64 ft². Hedy creates a reduction of this cube using a scale factor of 0.5. What is the surface area of the reduction? - Six numbers
The average of 6 numbers is 3.95. the average of two of them is 3.4, while the average of the other two is 3.85. What is the average of the remaining two numbers? - Freddy
Freddy has £24, and Layla has £32. Freddy spends 11/12 of his money, and Layla spends 7/8 of her money. How much more money does Layla spend than Freddy?
- One gas
One gas tank was 2/3 full. The second tank of equal size was 1/5 full. The amount of gas in the 1st tank was 100 liters. How many liters is the amount of gas in the second tank? - Fuel volume
1/2 of a tank is filled with oil when 36 liters are removed, and the remaining oil fills 1/10 of the tank. What fraction of the total is the amount of oil removed? - Weighted-average
Calculate the weighted average cost of the following inventory purchases: Date Quantity; Purchased ; Cost per Unit May 4; 33; $12.25 May 11; 41; $13.87 May 29; 37; $11.99 - A car 3
A car rental agency advertised renting a car for 27.95 per day and 0.28 per mile. If Greg rents this car for two days, how many whole miles can he drive on a $100 budget? - School
There are 500 students in the school. 60% of them are boys, and the rest are girls. What is the percentage of girls? Also, find the total number of boys and girls in the school.
- A twelve-pack
A twelve-pack of juice costs $4.20. An eighteen-pack of juice costs $5.40. The eighteen-pack of juice is a better buy. How much cheaper PER JUICE is the eighteen-pack? - Joshua
Joshua bought 7 1/2 kilograms of chicken. He used 2 3/4 kilograms for caldereta, 3 1/8 kilograms for tinola, and the rest for frying. How many kilograms of chicken did he use for frying? - Water level 7
Between 9 PM and 6:45 AM, the water level in a swimming pool decreased by 4/9 inch. Assuming that the water level decreased constantly, how much did the water level drop each hour? - Sari-sari store
Ms. Rona bought 25 kg of sugar for her sari-sari store. She then repacked the sugar into ¼ and ½ kg. If Alica packed 30 pcs of ½ kilograms of sugar, how many ¼ kg of sugar did she pack? - A total A total of 200 cash consists of 1-peso, 5-peso, and 10-peso coins, their values being in the ratio of 80:C:50. Find the ratio (in terms of quantity of coins) of 5-peso coins to 1-peso coins.
- A father
A father wants to leave 30,000 to his four children in the ratio of 1:2:3:4. How much will each child receive? - Trapezoid and bases
Find the area of the trapezoid whose bases differ by three and whose height is three less than twice the upper base. - Evaluate 26
Evaluate square root: √1³+2³+3³+4³= - A triangle 4
A triangle has a perimeter of 18a + 6b + 15 and has sides of lengths 5a + 7 and 8a +4b. What is the length of the third side? Write an expression and simplify it to find the solution to the problem. - Ms. Althea
Ms. Althea reaped 180 tomatoes from her field. She gave 1/5 of them to a friend, sold 0.75 of the remainder, and kept the rest for herself. What percentage of the total did Ms. Does Althea keep it for herself?
Ivan rented a truck for one day. The base fee was $14.95, and he drove an additional charge of 73 cents for each mile. When he returned the truck, he had to pay $114.96. How many miles did he drive the truck?Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
