Question 593890
John, Kevin and Jane have $120.
j + k + a = 120
:
Jane has a third of what John has
a = {{{1/3}}}j
or
j = 3a
:
and Kevin has twice as much as Jane.
k = 2a
:
Find how much Jane has using the 1st equation, replace j and k
3a + 2a + a = 120
6a = 120
a = 120/6
a = $20
:
 How much money does, in dollars, does Kevin have?
k = 2a
k = 2(20)
k = $40