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Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.
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Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1
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You know the right answer?
7x + 3y = -12 2x + 5y = 38...
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