Rates and ratios help us find relationships between numbers and proportions.
Here's the prefixes for the order of measurements from greatest to least
Kilo --> Hecta --> Deca |base unit (e.g gram, liter)| --> Deci --> Centi --> Milli
1kg , 1g , 1cg , 1mg
First, you need to multiply 20 x 12 ft to find the total feet of the kitchen floor which is 240 ft. Then, since each tile costs $0.99 per square ft. you just have to multiply 0.99 x 240 which is $237.6 Hope I helped! If I did please give brainliest!!