Question

Sonal attended her school on 204 days in a full year. If her attendance is 85%, find the number of days on which the school was opened.

Answer 1

let the no. of dates school was opened be x days.
No of days she attended school =204
percentage of attendance =85%
According to the question,

85% of X=204
=85/100×X=204
=17/20×X=204
=X=204÷17/20
=204/17/20
=204×20/17
=240
x days =240 days

Answer 2

Answer:

let x be the number of days the school was opened.

number of days sonal attended school =204 days

percentage of her attendance =85 percent of x

=(x×85/100)

=85x/100

now,

85x/100=204

x= 240×100/85

x=240

the school was opened for 240 days...

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