Problema Solution
We have 45 children in the day care I work at. The profit for the day was $630. If every child is there 8 hours per day and the children in nursery pay $2.50 per hour and the 2 year olds pay $1.25 per hour, how many children were in the nursery and how may 2 year olds were there today?
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We have 45 children in the day care I work at. The profit for the day was $630. If every child is there 8 hours per day and the children in nursery pay $2.50 per hour and the 2 year olds pay $1.25 per hour, how many children were in the nursery and how may 2 year olds were there today?
Let x, y be the number of children, 2 year old childs.
x+y=45.............1.
8*2.5x+8*1.25y=630.
20x+10y=630.
2x+y=63............2.
By substarcting Eq s 1 and 2.
x=63-45
=18.
y=45-18
=27.