exam Maths Puzzle Numerical Ability

hey. i'm having a lot of trouble with this question. if you could help me that would be great. thanks.


here it is;;


The high-school yearbook staff is deciding how many co

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The body mass index is a measure of the risk of heart disease. It is given by the following formula. I = 704.5W over H to the second power. Where W= weight in lbs and H = height in If Jan doubles the amount of money she has now and then saves $25 more, she will have $499, the cost of a holiday tour package.

Write all equations that could represent the situation above.