To figure this out you first find the difference between -18 and 60, which is 78 you then just divide, 78/4.5 which is approximately 17.55 mins or 17.6 rounded.
Answer:
40 feet
Step-by-step explanation:
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It is 7.5, think like 100÷4
Answer:
the answer is 60 per year
Step-by-step explanation:
300/5=60
