Using constants in expressions.

Question

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The cost to ship a package is a flat fee of 75 cents plus 25 cents per pound.
1. Declare a const named CENTS_PER_POUND and initialize with 25.
2. Get the shipping weight from user input storing the weight into shipWeightPounds.
3. Using FLAT_FEE_CENTS and CENTS_PER_POUND constants, assign shipCostCents with the cost of shipping a package weighing shipWeightPounds.

What I have tried:

#include <iostream>
using namespace std;

int main() {
   int shipWeightPounds;
   int shipCostCents = 0;
   const int FLAT_FEE_CENTS = 75;

   /* Your solution goes here  */

   cout << "Weight(lb): " << shipWeightPounds;
   cout << ", Flat fee(cents): " << FLAT_FEE_CENTS;
   cout << ", Cents per lb: " << CENTS_PER_POUND << endl;
   cout << "Shipping cost(cents): " << shipCostCents << endl;

   return 0;
}

Posted 1-Sep-21 11:03am

Zhen Gerald

Updated 31-Mar-22 15:06pm

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Dave Kreskowiak · Answer 1 · 2021-09-01T11:18:00

Solution 1

..and you had a question?

Off the bat I can see you don't have one of the constants defined.

Posted 1-Sep-21 11:18am

Dave Kreskowiak

Comments

Zhen Gerald 1-Sep-21 17:20pm

help me solve that question please

Dave Kreskowiak 1-Sep-21 17:21pm

WHAT QUESTION? You haven't asked anything.

jeron1 1-Sep-21 17:28pm

Take a close look at instruction #1.

Dave Kreskowiak 1-Sep-21 17:29pm

I am not doing your homework for you. That is literally a single line of code.

jeron1 1-Sep-21 17:34pm

I agree! LOL :-)

Dave Kreskowiak 1-Sep-21 17:42pm

Sorry, I thought you were the OP.

Zhen Gerald 1-Sep-21 17:33pm

i dont know how to do that that is why iam asking

Dave Kreskowiak 1-Sep-21 17:33pm

You're kidding? There's an example of it in what you posted.

jeron1 1-Sep-21 17:37pm

Actually you have not asked anything.

Zhen Gerald 1-Sep-21 17:41pm

thanks anyway

KarstenK · Answer 2 · 2021-09-01T23:55:00

Solution 2

you need a function which calculates the costs like

C++

int shippingCosts( int shipWeightPounds ) {
}

Do the math yourself. And you need to declares the constants outside the main.

Posted 1-Sep-21 23:55pm

KarstenK

Member 15586400 · Answer 3 · 2022-03-31T15:06:00

Solution 5

const int CENTS_PER_POUND = 25;

cin>>shipWeightPounds;

shipCostCents = FLAT_FEE_CENTS + (shipWeightPounds * CENTS_PER_POUND);

Here goes the answer I hope this helps!!

Posted 31-Mar-22 15:06pm

Member 15586400

Comments

Dave Kreskowiak 31-Mar-22 23:53pm

Doing someone's homework for them is not helping them, and the class is over by now.

Stefan_Lang · Answer 4 · 2021-09-05T23:44:00

1. Read the instructions
2. Read the code you received
3. Follow the instructions, step by step.

4. If in any of the above steps you encounter something that is not clear to you, read up on the topic in question in your course materials.

5. If and only if you've done everything of the above, and still don't understand something, formulate a question on that particular thing only.

Note: posting your entire homework assignment is not the same as asking about one particular thing that you don't understand. We cannot help you understand if you do not try to understand it first, and if you do not specify what it is that you do not understand. Solving your homework would by trivial for us, but doing so wouldn't help you understand, so it would be a waste of effort.

Using constants in expressions.

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