Last year, Rusty’s Tools experienced $67,550 in net sales, creating a gross profit of $50,338. If Rusty had a total operating expense of $35,200 last year, what was his net profit margin? a. 22. 4% b. 52. 1% c. 74. 5% d. 79. 0%.

Janet is mixing a 15% glucose solution with a 35% glucose solution. this mixture produces 35 liters of a 19% glucose solution. how many liters of the 15% solution is januet using in the mixture? a. 25 liters c. 28 liters b. 7 liters d. 10 liters

Can any one me with the answers to these questions asap?

Afamily of five rents a kayak and splits the total time, k, equally. each family member spent less than 25 minutes kayaking. which values can be used to complete the math sentence below so that it accurately represents the situation? intro done