Kevin has an equal number of dimes, nickel and quarters in his piggy bank. He randomly picks a coin, replaces it, and picks anot
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Let's called this number x and sum it with 35
x+35
We know this sum is equal to 100, let's equal it.
x+35=100
x+35
We know this sum is equal to 100, let's equal it.
x+35=100
