A trout

A trout was swimming 9 feet below the surface of a lake. It dove down 8 more feet to search for food. What is the position of the trout now relative to the surface?

To solve the problem, Denise subtracted 9–8 and came up with an answer of 17 feet. Is Denise correct? Why or why not?

t =  17 ft

Step-by-step explanation:

We will be pleased if You send us any improvements to this math problem. Thank you!

Math student
A trout was swimming 9 feet below the surface of a lake. It dove down 8 more feet to search for food. What is the position of the trout now relative to the surface?
To solve the problem, Denise subtracted

9–8 and came up with an answer of

17 feet. Is Denise correct? Why or why not?

Dr Math
Denis is correct (-17 ft) ... it is 17 ft below surface... it's ok

Tips to related online calculators
Do you want to convert length units?

Related math problems and questions:

• A dolphin
A dolphin was swimming 17 meters below the surface of the ocean. It located a squid and dove down 4 more meters to eat it. What is the location of the dolphin now relative to the surface?
• Submerging
Monika dove 9 meters below the ocean's surface. She then dove 13 meters deeper. Then she rose 19 and one-fourth meters. What was her position concerning the water's surface (the water surface = 0, minus values = above water level, plus = above water level
• Arelli
Arelli had 20 minutes to do a three-problem quiz. She spent 9 7/10 minutes on question A and 3 2/5 minutes on question B. How much time did she have left for question C? Solve on paper to find the answer as a fraction.
• Lake or pond
The landlord has a square lake. Trees grow around this lake. The lake wants to enlarge the pond twice and not cut down or flood any tree. How will he do that?
• Metal ductwork
The new hospital would require​ 5,840 feet of sheet metal ductwork. The order is too large for a single​ fabricator, so they decided to split the order among four fabricators. Fabricator 1 received an order for​ 2,500 feet, Fabricator 2 obtained an order
Why does 1 3/4 + 2 9/10 equal 4.65? How do you solve this?
• Mean
if the mean of the set of data 5, 17, 19, 14, 15, 17, 7, 11, 16, 19, 5, 5, 10, 8, 13, 14, 4, 2, 17, 11, x is -91.74, what is the value of x?
• Ball game
Richard, Denis, and Denise together scored 932 goals. Denis scored 4 goals over Denise, but Denis scored 24 goals less than Richard. Determine the number of goals for each player.
• Martin
Martin is making a model of a Native American canoe. He has 5 1/2 feet of wood. He uses 2 3/4 feet for the hull and 1 1/4 feet for a paddle. How much wood does he have left? Martin has feet of wood left.
• Expression 1
What is 7+8-(5×2)+5-4+(6×(5-3)+6)-(8+10)-7+6?
• Write 3
Write a real world problem involving the multiplication of a fraction and a whole number with a product that is between 8 and 10 then solve the problem
• If-then equation
If 5x - 17 = -x + 7, then x =
• Length subtracting
Express in mm: 5 3/10 cm - 2/5 mm
• Evaluate expression
If x=2, y=-5 and z=3 what is the value of x-2y
• Shaving
Mathematical problem from Sunday evening. If the beard is growing at 0.52 mm per day and that my length is 16.8 mm, how long I don't shave?