The manager of a store wants to order a total of 200 items consisting of t-shirts and hats. T-shirts cost $15 each, and hats cost $10 each. The manager has a budget of $2400 for the order. If $t$ represents the number of t-shirts ordered and $h$ represents the number of hats ordered, which of the following systems of equations can be solved to find $t$ and $h$?