The cost of admission to a history museum is $3.25 per person over the age of 3 kids 3 and under
get in for free. If the total cost of admission for the Johnson
twins, is $19.50, how many family members are over 3 yea
twins, is $19.50. bhe total cost of a museum is $3.25 pe
e person over the age of 3; kids 3 and under
son family, including their two 6-month old
bers are over 3 years old?​