exam
Maths Puzzle
Numerical Ability
If it takes sally 4 hours to paint house and Jim 6 hours to paint house. how long will it take to paint house together?
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exam Other Question
A car travels from one town to another at a speed of 32 mph. If it had gone 4 mph faster, it could have made the trip in 1/2 hr less time. How far apart are the towns?
solve each system by graphing
2x-y=4
2x-y=6