SAT Subject Test Mathematics Level 1

9 .  Jackie uses    30  percent of  her monthly earnings    for rent    and 50

percent of  the

remaining   amount  for food    and transportation. If  she spends  $525    for

food    and transportation, how much    does    she pay for rent?

(A) $400

(B) $450

(C) $500

(D) $550

(E) $600

10 .

Figure  2

In  Figure  2,  if  congruent   right   triangles   ABD and DCA share   leg  ,

then    x   =

(A) 90

(B) 100

(C) 110

(D) 120

(E) 130