If a price decreases by 20%, I can calculate 20% of the price and subtract it from the original price.

Or I can calculate in one step if I find % of the original price

What is the volume of the cone to the nearest cubic millimeter? (use π  = 3.14) a) 46 mm3 b) 128 mm3 c) 183 mm3 d) 275 mm3 diameter = 5 mm height = 7 mm how do you do this problem step by step?

What is the equation of a line passing through (-6,5) and having a slope of 1/3

3. a sum of $2700 is to be given in the form of 63 prizes. if the prize is of either $100 or $25, find the number of prizes of each type.