book Maths Puzzle Numerical Ability

The sum of two numbers is less than 15 . The second number is 3 less than the first. What are the possible values for the first of the two numbers?

In your answer, denote the first number by x .

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book Other Question

(3X Squared+5X+1)-(2x-3) Could you help me to solve this problem?

or The Solution Set for 3-x>7... I need an Algebra tutor if someone has the time... Thank you Amber identify and write down the equation for a parabola that could represent a real life situation(e.g. a bridge). explore the way in which the equation and hence the model changes as