Answer:
d
Step-by-step explanation:
Just look for the one that have right adding
Answer:
it is 0.75
Step-by-step explanation:
Answer:
See attached
Step-by-step explanation:
<em>Refer to label attached</em>
<u>Prep date and time: </u>
<u>Expiry date and time:</u>
Let t and t+3 be Warren's first and second speeds, respectively. Then:
220/t=231/t+3
220t+660=231t
t=60 mph as his mean speed
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