document.write( "Question 950048: Cora and her family are going to an amusement park.there are 2 adults and 3 kids.the tickets cost the family 70$. Adults are twice as much as children .if they are in the park for 5 hours, how much did their trip to the amusement park cost per person, per hour. \n" ); document.write( "
Algebra.Com's Answer #580063 by macston(5194)![]() ![]() You can put this solution on YOUR website! A=adult cost=2C; C=child cost \n" ); document.write( "2A+3C=$70 Substitute for A \n" ); document.write( "2(2C)+3C=$70 \n" ); document.write( "4C+3C=$70 \n" ); document.write( "7C=$70 \n" ); document.write( "C=$10 The cost was $10 per child. \n" ); document.write( "$10/5 hours=$2/hour The cost per hour for a child was $2/hr. \n" ); document.write( "A=2C=$20 The cost was $20 per adult. \n" ); document.write( "$20/5 hours=$4/hour The cost per hour for an adult was $4/hr. \n" ); document.write( "The average cost per person per hour was: \n" ); document.write( "($70/5 people)=$14/person \n" ); document.write( "($14/person)/ 5 hrs=$2.80/person/hr The average cost per person for the family was $2.80 per hour. \n" ); document.write( " |