The simple interest on a sum of money is 25% of the principal and the number of year is equal to the rate percent per annum. Fin
2 answers:
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Answer:
Step-by-step explanation:
The gradient = change in y / change in x
When the x value increases by 1, the y value decreases by 2 so -2 / 1 = -2
The y intercept is 4, so it is +4