Question

In sea water there is 5% of salt. How much seawater do you need in order to get 17.25 lb of salt?

Answer 1

17.25 / 5% =345 lb of seawater

Answer 2

Answer: 345

Step-by-step explanation: We have an equation: 5/100 = 17.25/?

Cross multiply:

5*? = 17.25*100

⇒ ? = 17.25*100/5= 345

345 lb of sea water will be needed in order to get 17.25 lb of salt