An online store increased the price of a shirt by 17% and charged $3 to ship the shirt to the customer. the customer paid $43 for the shirt. what was the original price of the shirt?

Isabelle is mixing red and blue paint to make purple paint she adds 3/10 of a fluid ounce of red to 12/25 of a fluid ounce of blue to make 1 1/30 fluid ounces of purple how many fluid ounces of red paint ounces of red paint will she need to make 3 fluid ounces of purple paint