Question 1: Betty is older than Nick. The difference in their ages is 12 and the
sum of their ages is 50. How old are Betty and Nick?
sum of their
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Ifb represents Betty's age and n represents Nick's age, then select the
TWO equations that would make up the system of equations (you need to
select two).*
Ub+ n = 12
Ob-n = 12
5.
50
b+ n = 50
n-b = 50