Fortune Telling Collection - Free divination - It is known that a cup of milk tea costs three yuan and fifty cents, so ten yuan can buy several cups of milk tea.

It is known that a cup of milk tea costs three yuan and fifty cents, so ten yuan can buy several cups of milk tea.

Four cokes and four milk teas.

Let the number of people who drink coke be x and the number of people who drink milk tea be Y~

2X+3Y=20

X+Y=8

Y=8-X

2X+3(8-X)=20

2X+24-3X=20

X=24-20=4

Y=8-4=4