I'm confused i have 2 answers to this problem and i don't know which is the right one. can anyone ?

Although changes result from business transactions, the equality of the fundamental bookkeeping equation must remain. t/f

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

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?