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?
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 have a linear equation or system of equations and are looking for its solution? Or do you have a quadratic equation?
You need to know the following knowledge to solve this word math problem:
Related math problems and questions:
- Exchanged 2191
Task A: Anna has 14 stamps with animals. Because this morning, she gave Viera 3 stamps with monkeys. How many stamps did the animals have before? Task b: In the evening, Anna exchanged four stamps with lions for two stamps with monkeys. How many stamps di
- Hamsters 83018
Jožko keeps dogs, guinea pigs, hamsters, and hares. A total of 24 animals. Of these, 1/3 are hamsters, 3/8 are guinea pigs, and 3/4 are not hares. How many dogs does Jožko have?
- Collecting 4471
Juraj has started collecting stamps, and he already has 36. His friend Simon has been collecting stamps for 12 years. He has a hundred times more in his albums than Juraj. How many stamps does Simon have?
- Stamps 79154
Milan has four times more marks than Anka. Anka has twice as few grades as Juro. They have a total of 91 stamps. How many stamps does each person have?
- Grandmother 2848
Old mom keeps chickens and hares. He has five times more hens than hares. Boris calculated that all animals have a total of 210 feet. How many hares and how many hens does my grandmother have?
- Stamps
Tibor has four times more stamps than Miro and seven times more stamps than Stano. How many stamps have all three if Tibor has 504 stamps?
- One hundred stamps
A hundred letter stamps cost a hundred crowns. Its costs are four levels - twenty-tenths, one crown, two-crown, and five-crown. How many are each type of stamp? How many does the problem have solutions?