Answer:
for twelve: 4 x 3, 9 + 3, 24 / 2.
for two: 1 x 2, 1 + 1.
Step-by-step explanation:
4 x 3 = 12, 9 + 3 = 12, 24 / 2 = 12
1 x 2 = 2, 1 + 1 = 2.
4 stuspdents spend $12. That means 1 student spends $3. So if there are 10 students, they wil spend all together 3 x 10 = $30. So, your answer is $30
5 kilometers for 10 minutes
60 minutes= 1 hour
30 kilometers divided by 60 minutes=0.5
0.5*10 minutes= 5 kilometers for 10 minutes