Where at the 39/19? or when you were trying to reduce 21/19
We set up an equation: 5/?= 10/100
Cross multiply:
10*?= 5*100
⇒ ?= 5*100/10= 50
5 is 10% of 50~
Step-by-step explanation:
find 30% of 455
which is = 136.5
then subtract 136.5 from the original number(455)
455 - 136.5
=318.5 student
Answer:299.94
Step-by-step explanation:youre welcome