exam
Maths Puzzle
Numerical Ability
A cyclist traveling at a constant speed completes 3/5 of a trip in 1 1/2 hrs. In how many additional hours will the cyclist complete the entire trip?
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exam Other Question
Carla invested $28,000, part at 14% and part at 9%. If the total interest at the end of the year is $3,370, how much did she invest at 14%?
HOW DO YOU GRAPH THIS:
2x + 3y = 1
5x + 3y = 16
x + 5y = 10
-2x - 10y= -20