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There are 72 more boys than 1 / 3 of the total number and 20 less girls than 3 / 5 of the total number
int x,y
2x+y=216
3x-2y=100
The number of male tourists is two-thirds more than that of female tourists. What is the ratio of male tourists to female tourists?
The number of male tourists is two-thirds more than that of female tourists, and the ratio of male tourists to female tourists is 5:3
There is a tour group of 50 people, who stay in a hotel. The hotel has three rooms, two rooms, three rooms each 150 yuan, two rooms each 140 yuan, and is implementing 50% discount, each room is full, a total of 1510 yuan. How many three rooms and two rooms do you live in?
It's solved by a linear equation of one variable,
Let three people be x, and those living in two people be (50-3x) divided by 2
be
150 times 50% times x + 140 times 50% (50-3x) divided by 2 = 1510
The final result is x = 8
(50-3x) divided by 2 equals 13
There are eight in three and sixteen in two
I don't understand. Keep asking
The number of male students in calligraphy group is two-thirds more than that of female students. What is the ratio of male students to female students in this group
5:3
Let the female be x, then the male be (1 + 2 / 3) X
Male: female = (1 + 2 / 3) x: x = 5:3
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