Answer:
24°
Step-by-step explanation:
Since m||n
55°=(x+31)°
55-31=x
24°=x
<span>8 - 3x - 5x = -8
8 - 8x = -8
-8x = -8 - 8
-8x = -16
8x = 16
x = 16/8
x = 2</span>
Answer:
1 mph
Step-by-step explanation:
EQUATIONS:
b+c = 7 mph
b-c = 5 mph
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Add the two to get:
2b = 12 mph
b = 6 mph (speed of the boat in still water)
c = 1 mph (speed of the current)