What is the ratio of ions needed to produce neutral potassium chloride? one potassium ion to one chloride ion
two potassium ions to one chloride ion
one potassium ion to two chloride ions
two potassium ions to three chloride ions

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?

What is r i 4.5+10r=-6.5 with work pls