piron
piron
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1) total cost, T=cost of an adult, A * 180 + cost of a child, C * 240 A=1500 + C T=(1500+C)*180 +C*240 480000=(1500+C)*180 +C*240 480000=270000+180C+240C 480000-270000=420C 210000=420C dividing both sides by 420 gives 500=C cost of total nu…