Ipay $11.50 at a restaurant and 15% is my tip. how much was my bill without my tip?

All per-unit concepts rely on ratios,meaning,to provide a type of measurement

You have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint? you have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint?

Use the distributive law to multiply. 3(4x + 5y + 6)