Answer:
Girls are twice as many as the boys.
So let's assume girls to be 'x' and boys to be 'y' and adopt the simultaneous equation method to find out the answer to X and Y.
Firstly, let's us establish that: x + y = 45
Secondly, for every boy there are two girls. So,
2y = x.
We have the value for the 'x' here in the equation, so we will substitute that in the first equation:
2y + y = 45
3y = 45
y = 15
Boys are 15.
Put this answer into any of the equations now, we will the first one:
x + 15 = 45
x = 30
Girls are 30.
Step-by-step explanation:
Hope this helps
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