SOLUTION: Two planes leave Los Angeles at the same time. One heads south to San Diego; the other heads north to San Francisco. The San Francisco plane flies 50 mph faster. In 1/2 hr, the pla
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Question 152957This question is from textbook Essentials of College Algebra
: Two planes leave Los Angeles at the same time. One heads south to San Diego; the other heads north to San Francisco. The San Francisco plane flies 50 mph faster. In 1/2 hr, the planes are 275 mi. apart. What are their speeds? This question is from textbook Essentials of College Algebra
You can put this solution on YOUR website! .5(x+50)+.5x=275
.5x+25+.5x=275
x=275-25
x=250 mph.speed of the slower plane to San Diego.
250+50=300 mph. for the faster plane to San Francisco.
proof:
.5*300+.5*250=275
150+125=275
275=275
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