Answer:
x=8
Step-by-step explanation:
x+7=15
-7 -7
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(i)= 45 KPH, (ii) = 251 miles
'Per' essentially means divide. Thus, to find Kilometres per hour, divide 270 by 6= 45. The bus is travelling at 45 KPH.
Then, to see how far a nine hour trip would cover, distance = speed * time = 251 miles.
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