Question

Whats the equation and answer for these two separate questions

Answer 1

Answer:

1).

$speed = \frac{distance}{time} \\ speed = \frac{100}{4} \\ speed = 25 {ms}^{ - 1}$

2).

$time = \frac{distance}{speed} \\ time = \frac{225}{75} \\ time = 3 \: s$