Answer:
{y≥3x−2
{x+2y≤4
b. 4.5 cm
a. 42 mm is the answer
Exact: $79.96 Rounded: $80.00
Step-by-step explanation:
25% x 4 = 100%
thus $19.99 x 4 = $79.96. Rounded up to $80.00