exam Maths Puzzle Numerical Ability

Create a real-life situation that fits into the equation (x+4)(x-7) = 0 and express the situation as the same equation.

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exam Other Question

I am having trouble with some word problems. The directions are as followed: formulate an inequality or inequalities for each scenario and find solutions, and graph each solution Prove this:

(n ) (n)=(n+1)
(k-1) +(k)=(k)

Each "term" is supposed to be in the same parentheses but aligned on top of each other. "n" and "k-1" are in the same parenthe