1.Evaluate s ÷ t if s = 1.43 and t = 1.3.

2. Evaluate (p + q) ÷ r if p = 0.7, q = 1.4, and r = 2.5.

3.Evaluate (a + b) ÷ c if a = 0.016, b = 0.008, and c = 7.5.

please show how you got the answer and number them