Question
A school purchased some white, grey and pink pens. In total, the school purchased four times as many white as grey pens and 45 more pink pens than grey pens. Given that the school purchased 80 grey pens, how many pens did the school purchase in total?
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A school purchased some white, grey and pink pens. In total, the school purchased four times as many white as grey pens and 45 more pink pens than grey pens. Given that the school purchased 80 grey pens, how many pens did the school purchase in total?