exam Maths Puzzle Numerical Ability

Write an english version of the following equations;

a) 2x-5=x+1

b) 2(x+2)=14

c) n+5=n/2-6

d) 7-3a = 5+a

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exam Other Question

Mix a solution that is 50% acid with a solution that is 100% water to make 4L of a solution that is 10% acid. How much of each solution do you use? Classify each polynomial as a monomial, a binomial, a trimomial or none of these 4.9 x 10-2