Let the time = x
Distance = Speed x time
One train is 75x, the other train 85x
Add together to equal total distance:
75x + 85x = 384
Simplify:
160x = 384
Divide both sides by 160:
x = 384 / 160
x = 2.4 hours
Answer:
Decreased by 20%.
16 lbs is 80% of 20 lbs.
Step-by-step explanation:

y × 20 = 16 × 100
20y = 1600
20y ÷ 20 = 1600 ÷ 20
y = 80
100% - 80% = 20%
Answer:
138°
Step-by-step explanation:
x+115°=6x° [ being vertically opposite angle]
or, 115=6x - x
or, 115=5x
or, 115/5 =x
or, x=23
Then,
x+115°
= 23+115°
=138°
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Ik but learn its simple but there is multiple answers