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omeli [17]
3 years ago
11

Jo and Gary share marbles in the ratio 3:1 jo gets 12 how many marbles does gary get

Mathematics
2 answers:
Schach [20]3 years ago
8 0

Gary gets 4 marbles, because 12/3 is 4. So for the ratio 3:1 to apply, Jo gets 12 marbles and Gary gets 4.

Ulleksa [173]3 years ago
6 0

Answer: 4

Step-by-step explanation: The 3:1 tells you that for every 3 you are going to have a 1 so when jo has 12 that means that there are three 4's so gay has 4

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In general, swap x and y, then solve for y. Quadratics, as in the first problem, do not have an inverse function: the inverse relation is double-valued, unless the domain is restricted. Here, we're just going to consider these to be "solve for ..." problems, without too much concern for domain or range.

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1) x = f(y)

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3) x = √(y +2) -4

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3 years ago
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