Question

Please help with these questions

Answer 1

24lb = 10 800g

640km = 400mi

Explanation:

450g = 1lb

x = 24lb

x = 450 × 24

x = 10 800g

(we use cross multiplication btw)

1.6km = 1mi

640km = x

1.6x = 640 x 1

1.6/1.6 = 640/1.6

x = 400mi

Answer 2

1- 10,800

2- 400

Explanation:

1- Multiply 450 by 24

2- Divide 640 by 1.6