exam Maths Puzzle Numerical Ability

Find each percent of change. Round to the nearest tenth of a precent. Tell if it is a decrease or increse.


24 to 21


100 to 113

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exam Other Question

0=150(0.784)^t This is from a worksheet.
Find the y-intercept of the graph of the equation 5x + 3y -15 = 0. State your answer as an ordered pair.
I do not understand how to do this.