# Boys and girls 2

The ratio of boys to girls in math club is 4:3 . After 8 more girls joined the Club, the ratio become 1:1. How many members are there in the club now?

Result

x =  64

#### Solution:

x = b+g
b=g
b = 4/3 * (g-8)

b+g-x = 0
b-g = 0
3b-4g = -32

b = 32
g = 32
x = 64

Calculated by our linear equations calculator.

Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...): Be the first to comment! #### To solve this example are needed these knowledge from mathematics:

Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?

## Next similar examples:

1. Boys and girls There are 48 children in the sports club, boys are 10 more than girls. How many girls go to the club?
2. Mother and daughter The ratio of years mother and daughter is 5:2. After 7 years the ratio is 2: 1. How many years ago daughter was born?
3. Translations If I going to translate the book 6 pages per day I translate it 4 days earlier than if I translated 5 pages a day. If I translate 4 pages a day I translate it for how many days.....?
4. The farmer The farmer had 140 sheep. For the next year, she decided to change the number of sheep in ratio 10: 7. How many sheep will he have then?
5. Two numbers Find two numbers whose difference and ratio is 2.
6. Two numbers Determine the numbers x and y so x + y = 8 is truth and the numbers are in the ratio of 4: 5.
7. 1.5 divided 1.5 divided by 1 = w divided by 4
8. Number ratio Calculate two positive numbers that its ratio is 6:6 and difference was 0.
9. Two trains There were 159 freight wagons on the railway station creating 2 trains. One had 15 more wagons than the other. How many wagons did each train have?
10. Tickets On the football tournament ticket cost 45 Kc for standing and 120kč for sitting. Sitting spectators was 1/3 more than standing. The organizers collected a total 12 300 Kc. How many seated and standing seats (spectators)?
11. Tippler Bottle with cork cost 8.8 Eur. The bottle is 0.8 euros more expensive than cork. How much is a bottle and the cork?
12. Spain vs USA Spain lost to the US by 4 goals. In the match total fell 10 goals. How many goals gave the Spain and how the United States?
13. Simple equation Solve for x: 3(x + 2) = x - 18
14. Unknown number Identify unknown number which 1/5 is 40 greater than one tenth of that number.
15. Equation Solve the equation: 1/2-2/8 = 1/10; Write the result as a decimal number.
16. Football match 4 In a football match with the Italy lost 3 goals with Germans. Totally fell 5 goals in the match. Determine the number of goals of Italy and Germany.
17. Linear system Solve this linear system (two linear equations with two unknowns): x+y =36 19x+22y=720