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# Rational Formulas and Variation help

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Mr. Jones jogs the same route each day. The amount of time he jogs is inversely proportional to his jogging rate.

What option gives possible rates and times for two of his jogs?

4 mph for 2 hours and 3 mph for 3 hours

3 mph for 2 hours and 4.5 mph for 3 hours

4 mph for 3 hours and 6 mph for 2 hours

4 mph for 3 hours and 6 mph for 4.5 hours

Guest Dec 4, 2017

#1
+10657
+1

4 m/hr x 2 hr = 8 m      3 m/hr x 3 hr = 9 m      8 m does not equal 9 m     Nope ...not this one

Continuing.....

.....

.....

4 m/hr x 3 hr = 12 m   6 m/hr x 2 hr = 12    12 = 12     This one !

ElectricPavlov  Dec 4, 2017
Sort:

#1
+10657
+1

4 m/hr x 2 hr = 8 m      3 m/hr x 3 hr = 9 m      8 m does not equal 9 m     Nope ...not this one

Continuing.....

.....

.....

4 m/hr x 3 hr = 12 m   6 m/hr x 2 hr = 12    12 = 12     This one !

ElectricPavlov  Dec 4, 2017

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