exam
Maths Puzzle
Numerical Ability
Two cities on a map are 5.5 inches apart. The cities are actually 198 milles apart. What was the scale used to draw the map?
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Lane invested $10,000 part at 15% and part at 14% If the total interest at the end of the year is 1,430, how much did she invest at 15%?
Another question please
For the function defined by f(x) = 5x-4, find a formula for f-1(x)
why is algebra soooo hard! I am trying to understand this. Pleeze help
