exam Maths Puzzle Numerical Ability

A sofa and a chair cost $850 as a set. The sofa cost $100 more than twice as much as the chai. Write 2 linear equations and what is the cost of the sofa and the cost of the chair.

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exam Other Question

Find the sum of two consecutive postive odd integers whose produce is 143 3 brothers dispose a sum of money to the banque.The first one disposes 1/2 of his sum,le second 2/5 of his sum and the third 3/10.After that the first one takes 2/3 of his sum,