exam Maths Puzzle Numerical Ability

Consider the arithmetic sequence; 2,7,12,17,22,.... what is the ordinal of the term 102?

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exam Other Question

this is a problem is about a real life situation Ho can I show this an a graph?

Real life situation will be when using my checking account and balancing it out every week to see Solve the systems of equations graphically
{4x-3y=-4
{2x-5y=-4