Problema Solution
There are 156 people visiting the museum, the ratio of adults to children is 10:2. how many adult and how many children are visiting?
Answer provided by our tutors
Let
a = the number of adults
c = the number of children
a + c = 156
a : c = 10 : 2 cross-multiply
2a = 10c divide both sides by 2
a = 5c
We have the following system of equations:
a + c = 156
a = 5c
........
click here to see the system of equations solved for a and c
........
a = 130 adults
c = 26 children
There were 130 adults and 26 children visiting the museum.