I think that car travelled 128 km in one hour and 384km in 3 hours
$1.14 1.40 x 0.8=1.12 1.4+ 1.12=1.52 * 0.25 = 1.14
No, square numbers greater than 1 have more than two factors
Answer:

Given:
5 pounds rice cost $2.49
To Find:
Cost of 9 pounds rice
Step-by-step explanation:
5 pounds rice cost $2.49
1 pound rice will cost $ 
So,
9 pounds rice cost = 1 pound rice cost × 9
= $
= $0.498 × 9
= $4.482
Dang so he fat step by step