exam Maths Puzzle Numerical Ability

Two numbers have a sum of 22. Their difference is 4. what are the two numbers?

What is the correct way to figure this out? (Childs homework and needs help)

Thank you

John

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exam Other Question

Assume the following statements:
P= The temperature is 70 degrees
Q= It is Raining
R= There is no wind

Find the following statement in word form: Q --> (~R upside down v ~P)
what is the factoring pattern for d^2-23d+60?