Answer:
She spent 2 and a half hours doing extra work.
Answer:x=1, y=1
Step-by-step explanation:
2(1)-1=1
3(1)1-1=2
y=7x+5
400
if the train travel in 150miles in 3hr then\
150/3=50miles a hr
50 x 8 = 400 miles
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