1250 persons went to see a circus .Each adult paid Rs75 and a child Rs25 for the admission ticket.Find the number of children,if the total collection from them amounts to Rs61250.
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1) a + c = 1250
:
2) 75a + 25c = 61250
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solve equation 1 for a
:
a = 1250 - c
:
substitute for a in equation 2
:
75(1250-c) +25c = 61250
:
93750 -75c +25c = 61250
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-50c = -32500
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c = 650
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a = 1250 - 650 = 600
:
:
2) 75a + 25c = 61250
:
solve equation 1 for a
:
a = 1250 - c
:
substitute for a in equation 2
:
75(1250-c) +25c = 61250
:
93750 -75c +25c = 61250
:
-50c = -32500
:
c = 650
:
a = 1250 - 650 = 600
:
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