exam Maths Puzzle Numerical Ability

Can you help me remember how to solve the following inequality:

14 _> t+20

The line should be under the greater than sign.

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exam Other Question

Please solve. |7X - 14| < 7

I tried and got X < 3 or X > 1
In an electronics experiment 1 white cord is connected to 3 black cords. Each black cord is connected to 5 gray cords. Each gray cord is connected to 7 blue cords. How many blue cords are there?