For every girl taking classes at school there are three boys if there are 236 student how many are boys.
1 answer:
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Just go through it phrase by phrase by phrase - one step at a time.
2*( )
2*(x - 7)
2*( )
2*(x - 7)
When solving these proportions we just remember when moving a number from one side to the other if it started in the numerator it ends up in the denominator and vice versa.
I'll do it in two steps here for teaching purposes; it's not too hard to go directly to the answer.