exam Maths Puzzle Numerical Ability

the difference of two numbers is 19 the larger number is 3 more than twice the smaller. find the numbers

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exam Other Question

D is a linear function. Customers will purchase 300 toys at $4.75 a piece, and will purchase 1,200 toys at $1.00. Give the domain of D, and solve for D(q) When 3x2 - 8x + 5 is factored, one of the factors is:

x - 1
3x + 5
x - 5
3x - 1
x + 5