Answer:
1 hour 54 minutes
Step-by-step explanation:
1 hour and 9 minutes + 45 minutes gives your answer. However, since 45+9=54, this is convenient, since now we don't need to carry. Thus, 1 hour and 54 min is your answer.
Hope this helps!
Okay please take another picture of it and repost it.
1 ——> given
2 —-> vertical angles are equal.
3 —> substitution
4 ——> if lines are || , corresponding angles are equal.
X/4 = x/20 + 1
Multiply through by 20, to get
5x = x + 20
5x - x = 20
4x = 20
x = 20/4 = 5
x = 5