We hvee 40 days food for 50 student,if 30 student comes more so food will consume in how many days
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the given proportions is a case of inverse proportions
means x1 *y1 =y1*y2
where x1 =50
y1=40
x2 =80
and y2=no of days
so put the value in the formula
50*40=80*y2
200=80*y2
80*y2 =200
so y2 =200/80
y2 =5/2
means x1 *y1 =y1*y2
where x1 =50
y1=40
x2 =80
and y2=no of days
so put the value in the formula
50*40=80*y2
200=80*y2
80*y2 =200
so y2 =200/80
y2 =5/2
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