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
Alma rides her bicycle for three fourths of an hour every day. Find the distance she rides if she averages 13.65 miles per hour. I need to know how to simplify these type of problems out:
3x+2 is equal or lesser to 4x+1