exam Maths Puzzle Numerical Ability

9 greater than or equal to(4-x)/3 less than or equal to 3

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exam Other Question


How to write an equation in standard form? The equation I am trying to convert is:

y-3=1/2(x-6)
Thank you in advance!
I tried to find the answer to this question, but was totally confused.


One card is selected at random from a standard 52-card deck of playing cards. Find the probability that the card selected is not a spade.