Since these are supplementary angles (two angles which sum to 180°) we can say:
4x+x=180 combine like terms on left side
5x=180 divide both sides by 5
x=36°
Answer:
I am a 4th grader I don't know
Step-by-step explanation:
Because when you simplify a fraction you divide the number on bottom be the top number to simplify the fraction and make it a mixed number
Hello!
Since we know how much they walked in 4/9 of an hour, we will divide 4/5 by 4/9 to get 4/9 to one.

÷

=

They went 1 4/5 mph or
1.8 mph.
I hope this helps!
I think it's just 15, -7, 7, -8, and 80.
I am probably wrong though,
Is it all one long equation with the plus and minus signs?