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Julie found 8 coins in her house. Her brother Mark found 1/4 of the number of coins as their friend Timmy.
Timmy found 4 more coins than Julie. Make an expression that could be used to find the number of that Mark found,
how do you know the answer is right.
Julie found 8 coins.
Timmy found (8+4) = 12 coins.
Mark found {{(1/4)*(8+4)}}} = = 3 coins. ANSWER
Notice, it is not the value predicted by @josgarithmetic, which is totally wrong.