A CERTAIN ZOO CHARGES EXACTLY TWICE ASMUCH FOR AN ADULT ADMISSION T...
8. A certain zoo charges exactly 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
Three carpet pieces—in the shapes of
child’s ticket?
a square, a triangle, and a semi-
circle—are attached to one another,
(A)
$1.60
as shown in the figure above, to
(B)
$2.10
cover the floor of a room. If the area
(C)
$3.20
of the square is 144 feet and the
(D) $3.30
perimeter of the triangle is 28 feet,
(E)
$4.20
what is the perimeter of the room’s