exam Maths Puzzle Numerical Ability

There are 4 consecutive integers. Their sum is 100 decreased by twice the difference between the greatest and twice the least.

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exam Other Question

Find values for m and b in the following system so that the solution to the system
is (-3, 4).
5x+7y=b
mx+y=22
fraction problem

numerator sqrt5-2x
denominator 3 =1