What is 5r=s+2 divided by 3 solved for s. show steps

Agrocery store has 12 lb of trail mix that is 10% banana chips. the store's manager would like to add banana chips to bring the new mix up to 25% banana chips. write and solve a system of equations to find out how many pounds of banana chips manager needs to add.

Answer this question, only if you know the answer. 30 points and brainliest!

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.