book Maths Puzzle Numerical Ability

MAke diagram ,table and a graph illustrate how 4n+4 and 4(n+1) are the same

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book Other Question

simplify the following equation
sqrt (x/3)^2 + (x/4)^2 =

Thanks Jay Dee
A druggist is perparing a medication. Each caspsule reqires 0.007 gram of aspirin. He has 14grams of aspirin. How many capsules can he prepare?