Speed of the boat = u
speed of the current = v
in downstream,
u - v = 105/5
u - v = 21
in upstream
u + v = 105/7
u + v = 15
add both equations
2u = 36
u = 18
v = -3
so
speed of the boat = 18 km/h
speed of the current = 3 km/h
Answer:
H
Step-by-step explanation:
Its H because a square has 4 sides and 58 divided by 4 is 14.5
Answer:
one equation would be S+ L=36for the number of shirts sold.
Answer:
n=16 :)
Step-by-step explanation:
Answer:
Step-by-step explanation: 32
