Question 668632
Establish the variables
x = carol
y = joan
...
Given
x = {{{1/3}}}y
x = 2
...
Solve for y by setting the two x equations equal to each other
2 = {{{1/3}}}y
...
Multiply both sides by 3
{{{highlight_green(y = 6)}}} people into Joan's car
.....................
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