280 MCGRAW-HILL’S SAT
- If 4 quarts of apple juice are mixed with
5 quarts of cranberry juice and 3 quarts of
grape juice, what part of the total mixture is
apple juice?
(A) (B) (C)
(D) (E)
- For what value of ydoes?
(A) − 3 (B) (C)
(D) 3 (E) 6
- Which of the following is greatest?
(A) (B) (C)
(D) (E)
- If , then x=
(A) (B) (C)
(D) (E) 10
- If , then m=
(A) (B) (C)
(D) 3 (E) 5
- If x≠yand x+y=0, then
(A) − 1 (B) 0 (C)^1 ⁄ 2
(D) 1 (E) 2
x
y
=
2
3
2
5
1
3
1
2
15
6
+=
m
5
2
2
5
1
5
1
10
1
(^25)
x
=
2
3
÷ 1
2
3
2
3
÷
1
2
3
1 ÷
2
3
−
2
3
× 1
1
3
−
1
3
1
3
y
=−
2
3
4
9
1
3
1
4
1
6
- If , then m+ 2 n=
(A) (B) (C) 5 (D) 7 (E) 14
- If z≠0, which of the following is equivalent
to?
(A) 1 (B) (C)
(D) (E)
- Five-eighths of Ms. Talbott’s students are boys,
and two-thirds of the girls do not have dark
hair. What fraction of Ms. Talbott’s students
are girls with dark hair?
(A) (B) (C)
(D) (E)
- If , then x=
2
3
6
7
1
6
2
3
1
6
1
+−=−+
x
1
3
1
4
1
8
1
10
1
24
z
z^2 + 1
z
z+ 1
2
z
1
2 z
1
1
z
z
+
7
2
7
4
mn
42
7
8
+=
SAT Practice 3: Fractions
....
1 2 3 4 5 7 8 9
6
1
0 2 3 4 5 7 8 9
6
1
0 2 3 4 5 7 8 9
6
1
0 2 3 4 5 7 8 9
6
- If n> 1, and , then x=
(A) (B) (C)
(D) (E)
m
n
+
+
1
1
m
n
+
−
1
1
m
n
m + 1
n+ 1
m
n− 1
nx
mx+