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Two airplanes, which start 3{,}3003,3003, comma, 300 miles apart, fly toward each other. The two planes fly at a constant speed, but their speeds differ by 808080 miles per hour (\text{mph})(mph)(, start text, m, p, h, end text, ). After 555 hours, the planes pass each other. What is the speed of the faster plane

Sagot :

s171681

Answer:

distance=rate*time

2520=(r)(3)+(r+90)(3)    (they both travel for 3 hours)

2520=3r+3r+270

2520-270=6r

2250=6r

r=2250/6

r=375 mph

r+90=375+90=465 mph

Step-by-step explanation:

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