Algebra - math word problems - page 247 of 303
Number of problems found: 6048
- Milk mixing
You have 12 liters of milk with a temperature of 20°C. How much milk at 80°C do you have to add to have milk at 30°C?
- Bricklayers
Eight bricklayers build a house for 630 days. How many bricklayers must be added after 150 days to complete the building in (next) 320 days?
- Crown
Siblings collect 2-crowns and 5-crowns. Together, have 80 coins with a total value of 310 crowns. How many saved two crowns, and how many five crowns?
- Simultaneously 82966
The tank with a volume of 15 hl has two inlets. One flows 5 liters per minute, the other 3 liters per minute. How long will it take for the tank to be filled with both inflows simultaneously?
- Supported 82872
An 8-meter-long swing is supported at the center. A 30 kg boy is sitting at one end. How far from the axis of rotation on the other side of the swing must the second boy of mass 40 kg sit?
- Acceleration 43741
The tram starts with a constant acceleration of 0.3 m/s2. How long will it take to cover the tenth meter of its track?
- Together 6519
One worker makes 15 parts per hour, the other 12, and the third 10. How many hours did each work when they worked together for 15 hours?
- Second 5586
The first pump fills the pool in 12 hours. The second pump fills it in 15 hours. If all three pumps work, the pool will fill in 4 hours. How long will it take to fill the pool with only the third pump?
- Performance 5041
Three workers received a reward of €2,850 for their work. They divided them according to their performance so that the first received 20% less than the second and the third received €50 more than the second. How many euros did each person receive?
- Doubravka 4593
Eva will mow the garden in 4 hours, and Doubravka will cut it in 3 hours. How long would it take to mow the garden if Eva started an hour earlier and only Doubravka joined it?
- Constant 3376
The plane flies at a speed of 240 km/h and flies a route of 396 km in 3 hours 20 minutes there and back - once it flies with the wind, the second time it flies against the wind, which has a constant speed the whole time. What is the wind speed?
- Salaries
The employer increased the salaries of its three employees by an average of 30 euros. One increased his salary by € 20, the other by € 45. How many euros did he raise the salary of a third employee?
- Set of coordinates
Consider the following ordered pairs that represent a relation. {(–4, –7), (0, 6), (5, –3), (5, 2)} What can be concluded about the domain and range for this relation? A. The domain is the y values of the ordered pairs. B. The range is the set of output v
- Determine 68804
The basket contains five red apples with an average weight of 125 grams and one yellow apple. The average weight of all apples in a basket is 120 grams. Determine the weight of the yellow apple in grams.
- Complete 6639
Complete the number series with another number, which is 150 on average: 43 69 87 125 197 211 298
- Tourist 14291
If a tourist reduced his speed by 1 km/h, he would walk less than 12 km in 3 hours. If he added to the step by 1km/h, he would walk more than 25 km in 5 hours. How fast is the tourist?
- Average age
There are 20 students in the class. Several are 12 years old, and others are 13 years old. Find out how old is twelve when the average age of a class is: a) 12.5 years b) 12.75 years c) 12.3 years d) 12.35 years
- Coach
The average age of 24 players and a coach of one team is 24 years. The average age of players without a coach is 23 years. How old is the coach?
- Cottages
The summer camp has 41 cottages. Each has rooms for three and four. How many of the 140 campers live on three?
- All needs
All need a mean score of 92 or higher on four texts to get an A. So his scores are 94. 90. and 84 What score on the fourth test will get him an A?
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