SOLUTION: 1. At noon a private plane left austin for los angeles,2100km away, flying at 500km/hr. one for austin at 700km/hr. at what time did they pass each other?
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: 1. At noon a private plane left austin for los angeles,2100km away, flying at 500km/hr. one for austin at 700km/hr. at what time did they pass each other?
This question is from textbook
Answer by checkley75(3666) (Show Source): You can put this solution on YOUR website!
500T+700T=2100
1200T=2100
T=2100/1200
T=1.75 HOURS AFTER THEY LEAVE THEY PASS EACH OTHER.
PROOF
500*1.75+700*1.75=2100
875+1225=2100
2100=2100
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