exam Maths Puzzle Numerical Ability

this term there are eight candidates for three student senate seats, how many different ways can the seats be chosen?

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exam Other Question

5 3
____ + ______ =⅔
x – 1 7X – 7
A bicyclist rode into the county for 5 hours. In returning her speed was 5mi/h faster and her trip took 4 hours. What was her speed each way?