Chapter 22.5 Answers

2.5-2 1.8 * celsius + 32.0

1.8 * 3 + 32.0

5.4 + 32.0

37.4

( salary - 5000.00) * 0.20 + 1425.00

(12400.00 - 5000.00) * 0.20 + 1425.00

7400.0 * 0.20 + 1425.00

1480.0 + 1425.00

2905.0

2.5-4 #define PI 3.14159

#define MAX_I 1000

int i, a=5, b=2;

double x, y=2.0;

a) i = a % b -> 1

b) i = (989 - MAX_I) / a -> negative division; varies

c) i = b % a -> 2

d) x = PI * y -> 6.28318

e) i = a / -b -> negative division; varies

f) x = a / b -> 2.0

g) x = a % (a / b) -> 1.0

h) i = b / 0 -> divide-by-zero fault

i) i = a % (990 - MAX_I) -> negative modulus; varies

j) i = (MAX_I - 990) / a -> 2

k) x = a / y -> 2.5

l) i = PI * a -> 15

m) x = PI / y -> 1.570795

n) x = b / a -> 0.0

o) i = (MAX_I - 990) % a -> 0

p) i = a % 0 -> divide-by-zero fault

q) i = a % (MAX_I - 990) -> 5