Answer:

Step-by-step explanation:
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Each mile took 7.5 minutes. So we did this by dividing 30 by 4. Hope this helped you :)
Answer:
10 times 15.2 is 152, 1/10 of 15.2 is 1.52
Step-by-step explanation:
Its 8:2/3, we can write it as

Now we can back to 12:1 - its the result
Answer:
Step-by-step explanation: