exam Maths Puzzle Numerical Ability

Regular marbles sell at 100 for $2.00. Large marbles (shooters) sell at 25 for $2.00. To the nearest whole marble, how many of each kind should be used to make a package of 100 marbles selling for $3?

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exam Other Question
Write down the coefficient of the term 4x4y2z in the algebraic expression 4x4y2z - 3x3y2z + 3/2xy3z2. find the slope of the line through (-4,2) and (5,8).