Levi spent 30 pesos to make 15 earrings. He sells 10 for 3 pesos, and 5 for 4 pesos. Write a numerical expression of his profit. *(10 x 3) + (5 x 4) - 30(10 x 3) + (5 x 4) - 1510 x (3 + 5) x 4 - (15 x 30)10 x (3 + 5) x 4 - (30 - 15)

Elena has 375.60 pesos, and she wants to buy a certain number of items, each costing 15.75 pesos. How many items can she buy with her money?

Lexi’s dad will give her $3 an hour and all of her supplies if she runs her own lemonade stand. She charges $0.25 for each glass. If Lexi sells 150 glasses of lemonade, what expression could be used to determine how much money she earns?(A) 3 + 0.25x, where x is the number of glasses of lemonade(B) 3x + 37.50, where x is the number of hours spent running the lemonade stand(C) 3x + 0.25x, where x is the number of hours spent running the lemonade stand(D) 3x + 150, where x is the number of hours spent running the lemonade stand(E) 3x + 0.25x + 37.50, where x is the number of glasses of lemonade

Rafael purchased n notebooks. They were 5 dollars each. Write an equation to represent the total cost c that Rafael paid.

A parent volunteer group is raising money by making custom hats to sell at school activities. They plan to sell the hats for $11. Each hat costs $5 to make. They spent $50 for advertising.Use n to represent the number of hats they sell. Multiply this by the money they make for each hat, then subtract the advertising cost.Which expression represents the money that the group raises?

Mrs Lim will make a profit which is 19% of the import price if she sells the necklace at $4165. What will be her profit if she sells the necklace at $4270 and the import price of the necklace remains constant?