Answer:
1150
Step-by-step explanation:
Simple answer to the equation without the circumstances:
3.1x - 1.6x = 35 + 10
1.5x = 45
x = 30
Answer:
Step-by-step explanation:
Answer:
10
Step-by-step explanation:
if she runs 5 km in half an hour, she runs 10 in a whole hour.