book Maths Puzzle Numerical Ability

The wages of 5 newspaper carriers totaled $110 for 2 weeks' work. How much will 3 carriers earn if they work for 3 weeks each at the same weekly rate?

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book Other Question
x/sqrt(x^2+7)=y solve step by step for x Use the given rectangle to:
a) Write an expression for the area.
b) Represent the area as a polynomial.

Side one : 3x+2
Side two: 2x-1