book Maths Puzzle Numerical Ability

John and Harvey sold widgets, Harvey sold 2½ times as many widgets as John. If the difference in their sales was 87 units. How many widgets did each of them sell?

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Use the distributive property to remove the parentheses in each express. then simply by combining like term.


7 (4w -3) -25w Can you help me factor the polynomial 8a^3b+12a^2b^2-4a^2b