Blaine had $68 in his checking account. he tried buying a coat, but he could not make the purchase because the money in his account was $21 short of the price of the coat. how much did the coat cost?
The coat cost $89. His account had $68, but it needed $21 more to reach the price of the coat. The price of the coat is the sum of these two numbers. Adding $68 and $21 yields $89.
