You are smart! Thanks!
An airplane flying with the wind can cover a certain distance in a = 3 hours. The return trip against the wind takes b = 4.5 hours. How fast is the plane and what is the speed of the wind, if the one-way distance is c = 720 miles?
This does not sound good...and relationship is between rate, distance and time........:-O
8th grade math
"symbolic reasoning" means using symbols to aid in solving (reasoning) problems. For example: 1. After learning addition and substraction, first graders are asked, "What number must be added to 2 to make it equal 5?" They can understand something like this ...
3x-3y=-9 /*-3 -9x+9x=+27 9x-9y=-27 If you look at the top, the equotations answer after solving will be 0=0 and this is mean DEPENDENT.
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