Mike has 4 blue balls, 6 green balls and 10 yellow balls what is the probability that he will pick a yellow ball.
It would be worked out by adding 4+6+10 to get 20 and then it would be number of yellow balls over total number of balls which would be 10/20. Depending on ability this may then be simplified down to 1/2.
GE
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One bag has 4y+2 counters in it and another has 6y-2 counters in it. The bags have the same number of counters in them. Calculate the value of y.
Expand the brackets to create an equation. (2x+7)(x-3)
3/8 is the same as ?/24 ?