Mary was 4'3" tall and weighed 85 pounds at the beginning of last year. Now she is 15% taller and 5% heavier. What are her weight and height now? Please have a proportion and show work in your answer. Thank you

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This is year two algebra?!

This simple arithmetic problem can be solved with the converse of the percentages given. Simple division.

suppose we have a number x and it is increased by 20% so the x becomes (100+20)x/100 = 120x/100, if it is decreased by 20% so the x becomes (100-20)x/100 = 80x/100. Please use this fundamentals to solve your problem