Strawberries
The father collects strawberries himself in 2 hours and the son in 9 hours. How long will it take them to join him when he comes to help his son collect strawberries after 3 hours?
Correct answer:

Tips for related online calculators
Need help calculating sum, simplifying, or multiplying fractions? Try our fraction calculator.
Do you have a linear equation or system of equations and are looking for its solution? Or do you have a quadratic equation?
Do you want to convert time units like minutes to seconds?
Do you have a linear equation or system of equations and are looking for its solution? Or do you have a quadratic equation?
Do you want to convert time units like minutes to seconds?
You need to know the following knowledge to solve this word math problem:
Units of physical quantities:
Themes, topics:
Grade of the word problem:
Related math problems and questions:
- Novak
Novak needed to dig up three of the same pit in the garden. The first pit was dug father alone for 15 hours. His second dig son helped him, and it did that in six hours. The third pit was dug son himself. How long does it take him?
- Painters 4
One painter will do the job for 12 days. After a 4 1/3 day, he comes second to help him complete work together for eight days. How long would work the second painter himself?
- Kilometers 7684
My father went to dig 6 kilometers of beet at 6:00 pm. It would take him 12 hours. After an hour, the son arrived, and they finished digging at 10:00. How long would it take for his son to dig 6 km of beet?
- Immediately 4906
It is Monday at 10 a.m. Luboš has returned from the doctor, who prescribed him tablets: he will take the first one immediately, the next two days he will take them after six hours, and the rest after eight hours. When will Luboš collect all the tablets if
- Kevin 3
Kevin makes a list of the tasks he has to do after school and how long it will take him to do each task. Task Time; (hours) Read ; 1/3 Do homework ; 3/4 Play soccer ; 4/6 Practice piano ; 1/2 How long will it take Kevin to complete all of his tasks? Show
- Temporary 67594
Two temporary workers comb apples from 15 apple trees in 5 hours and 20 minutes. After two hours, three other temporary workers came to help them. How long did it take to comb apples from these 15 trees?
- Friends 81769
Four guys would finish washing cars at a gas station in 4 hours. After one hour, two more friends come to help them. How long will it take to finish the car wash?