How much pure maple syrup should be added to 48 tablespoons of a 45% solution in order to obtain a 60% solution?

Let x = number of tbsp of pure maple syrup 1.00x = maple syrup content of pure syrup0.45(48) = maple syrup content of 45% solution0.60(x+48) = maple syrup content of mixtureThen, 1.00x + 0.45(48) = 0.60(x+48)
x + 21.6 = 0.60x + 28.80.40x = 7.2x = 18 tbsp