# Fox and Ford mushroomed. Totally they picked 30 mushrooms — slippery jacks and birch mushrooms. It is known that among any 14 mushrooms there is at least one slippery jack, and among any 18 mushrooms — at least one birch mushroom. How many slippery jacks did they gather?

Vinogradov

241

Among any 14 at least one slippery jack, means: 14 - 1 = 13, that is birch mushrooms no more than 13 among any 18 at least of one birch mushrooms 18-1=17, that is butter no more than 17 only 30, means: 13 birch mushrooms and 17 slippery jacks. Answer: 17 slippery jacks.

391

Answer add
Leondij

### Other questions in the section - maths

Ionafan

In 2 baskets of 120 apples after from these baskets took apples equally in

2020-10-18 04:24:39

Maryan

The first crew collected 620 kg of cucumbers, and the second 380 kg spread

2020-10-18 04:24:39

Ananiy

A) Paid 150 tenges for 5 rulers. How many such rulers can be bought

2020-10-18 04:24:39

Brafym

& lt; p> Length of a rectangle is 15 cm, and width is 3

2020-10-18 04:24:39

Rostislav

In ABCD rhombus a point P middle of AV, a point To the middle

2020-10-18 04:24:39