Question 551353
first part	40	mph
second part	35	mph

total distance = 265 miles

let first part distance be x
second part distance = 265-x

first part time + second part time = 7 hours
t=d/r
x/40 + (265-x)/35 =7

Multiply equation by 35*40=1400 

35 x + 40 (265-x) = 7*1400
35x+10600-40x=9800
-5x=-800
/-5
x=160 miles First part
balance 265-160= 105 miles second part


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