exam Maths Puzzle Numerical Ability

sally bought three chocolate bars and a pack of gum and $1.75. Jake bought two chocolate bars and four packs of gum and paid $2.00 find the cost of a chocolate bar and the cost of a pack of gum.

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exam Other Question

The hypotenuse of a right angle triangle is 3 meters longer than twice the length of one of the legs. The measure of the other leg is 12 meters. Find the measure of the hypotenuse of the triangle. insert one set of parentheses in the expression 2n-3+4n+6n+1 so that it is equivalent to 12n-5.