Answer:



Explanation:
Given
Represent
3-point word with T;
2-point with U and
1-point with V
--- (1)
If total questions is 30, then
--- (2)
If total points is 55, then
--- (3)
Substitute 5 + V for U in (2) and (3)
--- (2)


---- (4)
--- (3)





Divide through by 3
---- (5)
Subtract (5) from (4)



Recall that:



Substitute 10 for V in (5)


