Question

Three- fifths of the students in a school bring food from home while 140 do not. Find the the number of students in the school.​

Answer 1

Answer:

Expand the number based on the place value.

a) 8720435 b)5463108

Answer 2

Answer:

three fifth = 3/5 ( bring food)

left parts = 2/5( who do not bring food )

if 2/ 5 = 140

then 1 part out of 5 will be 140/2= 70

then total 5 parts will be 70*5 = 350.

so total number of students in school = 350