1 1/4 = 1.25 in decimal format. A percent value, x%, can be expressed as a fraction x/100 (percent means per 100). 1 1/4% = 1.25/100. Everything else is purposed to restate 1.25/100 as a rational value a/b where a and b are integers in simplest form, 1/80.
For question 11 on Not Timed Exam NUMBER 07, why do you multiply 1.25 by four?
1 1/4 = 1.25 in decimal format. A percent value, x%, can be expressed as a fraction x/100 (percent means per 100). 1 1/4% = 1.25/100. Everything else is purposed to restate 1.25/100 as a rational value a/b where a and b are integers in simplest form, 1/80.