Answer:
The number of Girls players in the Team of 18 players is 6 .
Step-by-step explanation:
Given as :
The total number of player including boys and girls = 18
And [tex]\frac{1}{2}[/tex] times girls player + [tex]\frac{1}{3}[/tex] times boys player = 7
Let The number of boys player = B
The number of girls player = G
So, According to question
G + B = 18 ...1
[tex]\frac{1}{2}[/tex] × G + [tex]\frac{1}{3}[/tex] × B= 7
or, [tex]\frac{G}{2}[/tex] + [tex]\frac{B}{3}[/tex] = 7 ...2
or, Put the value of B from eq 1
or, [tex]\frac{G}{2}[/tex] + [tex]\frac{18 - G}{3}[/tex] = 7
Or, [tex]\frac{G}{2}[/tex] - [tex]\frac{G}{3}[/tex] + 6 = 7
or, [tex]\frac{3G - 2G}{6}[/tex] = 7 - 6
Or, [tex]\frac{G}{6}[/tex] = 1
∴ G = 1 × 6 = 6
Hence The number of Girls players in the Team of 18 players is 6 . Answer