# Prior to making deposits of $75 and$50, marian had a balance of $102 in her checking account. How much must she deposit so that her balance will be at least$300 and she can avoid a service fee?

A = $73$
= $75 + 50 + 102 + x = 300$
= $x = 300 - 102 - 50 - 75$
= $x = 73$