book Maths Puzzle Numerical Ability

Solve the inequality and express the solution in interval notation:

x^2 - 6x + 11 <18

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book Other Question

A college student sent home a message below. If
each letter stands for one digit 0-9, how much money did she ask for?

SEND
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MONEY
Please help me solve for X: 2[x-(3x+1)=4-2x