Cracking The SAT Premium

CHAPTER DRILL ANSWERS AND EXPLANATIONS

Drill 1

1. 109

2. 38

3. –3

4. 10

5. 15

Drill 2

1. 6(57 + 13) = 6 × 70 = 420

2. 51(48 + 50 + 52) = 51(150) = 7,650

3. ab   +   ac  –   ad

4. x(y  –   z)

5. c(ab +   xy)

Drill 3

1.

2.

3.

4.

5.

Drill 4

1. 3