SAT Subject Test Mathematics Level 1

6 . The average (arithmetic mean) of all the grades on a certain algebra
test was 90. If the average of the 8 males’ grades was 87, and the
average of the females’ grades was 92, how many females took the
test?

(A) 8

(B) 9

(C) 10

(D) 11

(E) 12

7 . Rachel drives one-third of the distance from A to B at x kilometers per
hour, and she drives the other two-thirds of the distance at y
kilometers per hour. What is Rachel’s average rate of speed, in
kilometers per hour and in terms of x and y, for the entire trip?

(A)

(B)

(C)

(D)

(E)