How do you evaluate #1.05\div 2.5#?

1 Answer
Kushagra
Dec 9, 2017

#1.05=105/100#
#2.5=25/10#
#105/100 div 25/10#
Remember, #a/b div c/d=a/bxxd/c#
#color(red)cancel105^21/(10color(blue)cancel0)xx(1color(blue)cancel0)/color(red)cancel25^5#
You get
#21/10xx1/5#
#21/50#
Multiply both sides by 2
#(21xx2)/(50xx2)#
#42/100#
It is easy now to get it
#0.42#

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