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Jordan and Miguel breed tropical fish. Miguel decides to abandon the hobby and gives his fish away. First, he gives half of them and a half fish more to Angel. Then he gives half of what are left and half a fish more to Bob. That leaves Miguel with only one fish, which he gives to George. How many fish did Miguel start with?

Sagot :

Mlcparra16idn
We need to work backwards in this problem. We need to do the opposite of whatever the operation is and start with the result. At the last part we are given 1 fish that he gave to George then he gave half a fish and half of the remaining to Bob. Since in the problem "giving" is subtracting we now add and instead of dividing by 2 we multiply so the expression will be:

[tex]2(1+ \frac{1}{2} )= 3[/tex]

So we now have 3 fish. Going back he gave half a fish and half of the remaining to Angel so we use the same logic as we did awhile ago.

[tex]2(3+ \frac{1}{2} )=7[/tex]

Therefore Miguel had 7 fish at the start