# In a box three types of candies lie. Candies of the first look make 40% of all, candies of the second look made 4/9 remained candies. How many candies in a box, if 150 grams of a third type?

Ziikep

387

40 = 40/100 = 2/5----------------------------Let in a box x () of candies, then 2/5kh () - candies of the first look 4/9 * (x - 2/5kh) = 4/9 * 3/5kh = 4/15kh () - candies the Equation of a second type: x - (2/5kh + 4/15kh) = 150 x - (6/15kh + 4/15kh) = 150 x - 10/15kh = 150 x - 2/3kh = 150 1/3kh = 150 x = 150 * 3 x = 450 Answer: 450 g of candies of all in a box.

195

Answer add
elisaveta

### Other questions in the section - maths

Meletiy

For 3 h the automatic machine makes 300 gears for hours. How many gears

2020-10-18 04:24:39

Voimap

Bought 15 kg of plums and cooked 2/3 all plums jam. How many kg

2020-10-18 04:24:39

Tygra

On a performance the boys bought 24 tickets, and girls of 30 tickets at

2020-10-18 04:24:39

Kozma

Oboznachte a case all of nouns work utorm (to define a case) you go

2020-10-18 04:24:39

Avvakum