The current on the Mississippi River is a constant 4 miles per hour. A paddleboat travels 48 miles upstream in the same amount o
f time that it takes to travel 72 miles downstream. Find the speed of the boat in still water.
2 answers:
Upstream-44
Downstream-68
I think
Divide each mile amount by the speed of the current (48/4=12 and 72/4=18) add the two numbers (12+18=30) The speed of the boat is 30mph
You might be interested in
-2(2b-3)
Multiply the bracket by -2
Whenever multiplying a -negative number with a -negative number= + positive number.
(-2)(2b)(-2)(-3)
-4b+6
Answer: -4b+6
Answer: 1500 kilometers
75% of a 2000 - kilometer trip is 1500 kilometers
Step-by-step explanation:
Answer:
x ≈ 83.533
y = 9105.13
Step-by-step explanation:
Step 1: Substitution
109x = 79x + 2506
30x = 2506
x = 83.533
Step 2: Plug <em>x</em> in
y = 109(83.533)
y = 9105.13
Graphically:
Answer:
42
Step-by-step explanation:
6*8=48
3*2=6
48-6=42
Answer:
2520 gallons
Step-by-step explanation:
3000 gallons -780 gallons drained over 6 hours then add 300 gallons over three hours = 2520 gallons