The answer is 43. Mistake me if I’m wrong
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There are 138 different combinations that they could end up first, second, and third.
Answer:24x+12
Step-by-step explanation:
8(3x+4)-20
24x+32-20
24x+12
30 girls , 12 were selected
40 boys, 16 were selected
We can simplify these down by finding the Greatest Common Factor in both girls and boys:
30:12 .... 15:6 .... 1 : 2.5 30/12 .... 15/6 .... 2.5
40:16 .... 20:8 .... 1 : 2.5 OR 40/16 .... 20/8 .... 2.5
They are equal ratios because their most simplified ratios/fractions are equivalent
