A certain zoo charges twice as much for an adult admission ticket as for a child's admission ticket. If the total admission price for the family of two adults and two children is $12.60, what is the price of a child's ticket? A.) $1.60 B.) $2.10 C.) $3.20 D.) $3.30 E.) $4.20 x = cost of child's ticket 2x = cost of adult's ticket {adult admission is twice as much as child's} 2(x) + 2(2x) = 12.60 {total price for 2 adults and 2 children is 12.60} 2x + 4x = 12.60 {multiplied through on left side} 6x = 12.60 {combined like terms on left side} x = 2.10 {divided both sides by 6} child's ticket price = $2.10 B.) $2.10 © Algebra House
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