200/5 = 40 mph 200/4 = 50 mph Let x be the speed in still waters and y the speed of current. x + y = 50 x - y = 40 ADD 2x = 90 x = 45 mph ANSWER is C) 2) C
Answer:
-3 hope this helps :D
Step-by-step explanation:
For part a, yes because each student is paying the same amount
For part c, each student is paying $15 to go
For part d, it's $1800
For part e, it would be 95 students
Step-by-step explanation:
2p - 12 = 8p - 12
Bringing like terms on one side
-12 + 12 = 8p - 2p
0 = 6p
0 - 6 = p
-6 = p
Squaer pyramid
paralel plane
square base
therfor cross section is another square
