Question

Helen has only $10 and $2 bills with her.

If the total number of bills that she has is 7 and the amount of money with her is $30, then the number of $10 and $2 bills
are, respectively:
A 0 and 7
B 1 and 6
C 3 and 4
D 2 and 5

Answer 1

i think it is d

Explanation:

Answer 2

2 and 5

Explanation:

10x + 2y = 30

x = 2

y = 5

10(2)+2(5) = 30

20+10 = 30

30=30

-Gage Millar, Algebra 2 tutor