4. You are ordering T-shirts for a concert. The table shows the costs of ordering different numbers of shirts. Determine the total cost of ordering 55 T-shirts. Number of T-shirts & 15 & 25 & 30 & 35 Total cost (dollars) & 147.60 & 246 & 295.20 & 344.40 & & & & & & 0 & 0 & 0 & 0 & 0 & 0 & 0 1 & 1 & 1 & 1 & 1 & 1 & 1 2 & 2 & 2 & 2 & 2 & 2 & 2 3 & 3 & 3 & 3 & 3 & 3 & 3 4 & 4 & 4 & 4 & 4 & 4 & 4 5 & 5 & 5 & 5 & 5 & 5 & 5 6 & 6 & 6 & 6 & 6 & 6 & 6 7 & 7 & 7 & 7 & 7 & 7 & 7 8 & 8 & 8 & 8 & 8 & 8 & 8

To determine the total cost of ordering 55 T-shirts, we need to analyze the given data and find a pattern or a way to extrapolate the cost for a quantity that is not listed in the table.Let's start by examining the costs given for the different quantities of T-shirts:- 15 T-shirts cost $147.60- 25 T-shirts cost$246.00- 30 T-shirts cost $295.20- 35 T-shirts cost$344.40Step 1: Calculate the cost per T-shirt for each quantity.For 15 T-shirts: $147.60 / 15 =$9.84 per T-shirtFor 25 T-shirts: $246.00 / 25 =$9.84 per T-shirtFor 30 T-shirts: $295.20 / 30 =$9.84 per T-shirtFor 35 T-shirts: $344.40 / 35 =$9.84 per T-shirtWe can see that the cost per T-shirt is consistent at $9.84 for each quantity listed.Step 2: Use the cost per T-shirt to determine the total cost for 55 T-shirts.Total cost for 55 T-shirts = 55 *$9.84 = $541.20Answer: The total cost of ordering 55 T-shirts is$541.20.