Determine a number such that a 22.5 % decrease in it's value is the number 93?
1 Answer
Jan 26, 2018
Explanation:
#"a decrease of "22.5%" is equivalent to"#
#(100-22.5)%=77.5%=77.5/100=0.775#
#"let n be the number then"#
#nxx0.775=93#
#rArrn=93/0.775=120#