exam Maths Puzzle Numerical Ability

3. The linear equation

y= 0.15+ 0.79

represents an estimate of the average cost of gas for year x starting in 1997. The year 1997 would be represented by x = 1, for example,

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exam Other Question

Solve. 3(x + 6) + 6x = 7x + 2 From a group of 6 juniors and 8 seniors on the student council, 2 juniors and 4 seniors will be chosen to make up a 6-person committee. How many different 6-person committees are possible?