Question 907809
d -4 = 2(b-4), d = {{{2b-4}}}
...6 years ago
(2b-4) - 6 = 4(b - 6)
2b - 10 = 4b - 24
14 = 2b
b = 7yr, Beth's age.  Daisy 10yr {{{2*7-4}}}
checking
6 = 2*3
4 = 4*1