How do you answer this:
8-x=3

Aswim teacher sells lesson packages. the best deal has the highest ratio of lessons to total cost. swim lesson packagesnumber of lessons total cost$10$4010 1 $8015$80which package is the best deal? l lesson for $105 lessons for $4010 lessons for $8015 lessons for $80mark this and returnsave and exit

Nine more than four times a number is the same as one less than twice the number. find the number?

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?