Mary sold shoes for $200. Mary increases her sales price by 100%. What is the sales price of a pair of shoes? (Show the work, if you do I will give brainlist!)

if 100% of something is the whole thing and she increased it by 100% that means the price she sold the shoes is 200%. 200÷2 100. original price was $100

i only know the sequence of arithmetic it adds the first is 5+4 then it goes up as it adds to then it is 9+5 then 14+6 then to 20+7 and so on. 5,9,14,20,27,35.

step-by-step explanation: