The cost of the T-shirt is the difference between the total cost and the cost of the sweatshirt.

The T-shirt cost C. $21.10.
35 is 5% of the number 175.
Answer:
Each batch of scones needed 0.67 kg of flour
Step-by-step explanation:
16.45 - 6.4 = 10.05kg (remaining)
15 batches = 10.05kg
1 batch = 0.67kg