Alan went from San Francisco to Los Angeles ,about 400 miles,averaging (x+5)mph.On his journey from Los Angeles to Redding,about 500 miles,the average (x-5)mph.Then he returned to San Francisco,about 200 miles,averaging (x^2-25)mph.How long did it take him,in terms of x,to make the round trip?

asked by tala

11 years ago

711 views

1

0

1 answer

distance = rate times time.

Use the formula and plug in the constants and variables.

answered by Knights

0

0

Question

Alan went from San Francisco to Los Angeles ,about 400 miles,averaging (x+5)mph.On his journey from Los Angeles to Redding,about 500 miles,the average (x-5)mph.Then he returned to San Francisco,about 200 miles,averaging (x^2-25)mph.How long did it take him,in terms of x,to make the round trip?

1 answer

distance = rate times time.

Use the formula and plug in the constants and variables.

Knights · Answer

distance = rate times time. Use the formula and plug in the constants and variables.