exam Maths Puzzle Numerical Ability

(graphing linear equations)
Graph each wquation by using the x-and y-intercepts.

3x-y=3

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exam Other Question

You have a total of 25 coins, all nickels and quarters. The total value is $3.85. Write and solve a system of equations to find the number of nickels n and the number of quarters q that you have. A company manufactures 3 products (A,B,C) each of which requires certain amount of 3 types raw materials(I,II,III) as well as three types of skilled labour(a,b,c).

For Product