It costs $2.50 to make each hat and $1.75 to make each scarf. If Sarah spends $124 on materials, write an equation that represents the cost of making x hats and y scarves. A 2.50x - 1.75 = 124 B 124x + 1.75y = 2.50 124 + 2.50y = 1.75x D 2.50x + 1.75y = 124