Sweets
There are 12 sandwiches on a plate: 5 with poppy seeds and 7 with jam. How many cheese sandwiches must be added so that the probability of randomly selecting a poppy seed sandwich is 20%?
Final Answer:
Tips for related online calculators
Our percentage calculator will help you quickly and easily solve a variety of common percentage-related problems.
Check out our ratio calculator.
Do you have a linear equation or system of equations and are looking for a solution? Or do you have a quadratic equation?
Would you like to compute the count of combinations?
Check out our ratio calculator.
Do you have a linear equation or system of equations and are looking for a solution? Or do you have a quadratic equation?
Would you like to compute the count of combinations?
You need to know the following knowledge to solve this word math problem:
combinatoricsalgebrabasic operations and conceptsGrade of the word problem
Related math problems and questions:
- Cake discount percentage
The store sells 3 types of cakes: poppy, cottage cheese, and jam. They all cost the same. As of yesterday, the following offer applies: If you buy any 8 of these cakes, you will pay for only 5. How much percent less will I pay now for 8 of these cakes? - Bun baking calculation
Mom baked cheese and poppy seed buns. One-third of them, 26 buns, were poppy. How many buns did mom bake? - Gnocchi 3
Mom cooks gnocchi every day. Poppy seeds one day, walnuts the next day, cottage cheese the third day, and all over again. Every day, I eat 3 gnocchi from poppy seeds, 3 from walnut gnocchi, and 2 gnocchi from cottage cheese. I have eaten 46 dumplings so f - Seed germination verification
The supplier of spruce seeds for our nursery declares a germination rate of 80% for his goods. Verify this statement based on an experiment in which only 70 seeds germinated out of 100 randomly selected seeds. - Seed germination probability
The manufacturer indicates that the germination rate of the pepper seeds is 68%. What is the probability that a) out of ten seeds sown, at least 8 will germinate? b) will at most 3 sprouts out of ten seeds be sown? - Seed plant probability The probability that a plant will grow from a seed is 75%. What is the probability that 5 plants will grow if we assemble 6 seeds?
- Ruben
Ruben owns a restaurant. He likes to keep track of everything customers are buying. His top 3 sellers are sandwiches, salads, and pizza. He knows that 1/3 of his customers buy a sandwich, 1/2 buy a salad, and 1/4 buy a pizza. What fraction of customers bu
