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A driver averaged 50 miles per hour

A driver averaged 50 miles per hour on the round trip between Baltimore and Philadelphia, 100 miles away. The average speeds for going and returning were x and y miles per hour, respectively. Show that

y=25x/(x-25)

A driver averaged 50 miles per hour on the round trip between Baltimore and Philadelphia, 100 miles away. The average speeds for going and returning were x and y miles per hour, respectively. Show that

y=25x/(x-25)

A grade school is taking a trip

A grade school is taking a trip to the zoo. A parent group of 6 people is responsible for putting together 225 box lunches for the trip. The group hopes to recruit extra people for the task. Write an equation that gives the average number "n" of box lunches made per person as a function of the number "p" of parents that can come in and help complete the task. Then graph the ...

A grade school is taking a trip to the zoo. A parent group of 6 people is responsible for putting together 225 box lunches for the trip. The group hopes to recruit extra people for the task. Write an equation that gives the average number "n" of box lunches made per person as a function of the number "p" of parents that can come in and help complete the task. Then graph the ...

Boyle`s Law, applied to the amount of gas

Boyle's Law, applied to the amount of gas used in a given experiment at a constant temperature, states that pV = 240 where p is pressure measured in kilopascals and V is volume measured in cubic centimeters. If a decrease in pressure of 1 kPa produces an increase in volume of 20 cm^3...

Boyle's Law, applied to the amount of gas used in a given experiment at a constant temperature, states that pV = 240 where p is pressure measured in kilopascals and V is volume measured in cubic centimeters. If a decrease in pressure of 1 kPa produces an increase in volume of 20 cm^3...