exam
Maths Puzzle
Numerical Ability
9x-3y=24
7x-3y=20
using the elimination method
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exam Other Question
I have no clue how to solve this- PLEASE HELP ME!
A cyclist traveled at a rate of 24 mph to visit a nearby town. The cyclist averaged 18 mph on the return trip. If the round trip took 4.9 hours, find the distance to the nearby town.
A = (a + b)5 over h
A = 300
b = 30
h = 2
300 = (a + 30)5 over 2
Need help on how to simplify to find what a =