exam
Maths Puzzle
Numerical Ability
If 15 points are arranged on a circle, how many lines are needed to join every point to every other point once?
Please help me!!
- Jordan
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exam Other Question
A car travels on the freeway at an average speed of 66 miles per hour. How many miles does it travel in 3 hours and 40 mintues?
I'm having a hard time figuring these answers out. Please Help.
1.) 3x-(x+2)=5x-3(x-1)
2.) 5x-(7x-4)-2=5-(3x+2)
thank you so much!