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Paladinen [302]
3 years ago
6

Under Plan A a 2 minute call costs .54 cents a 4 minute call costs 1.08. Under plan b the cost for x minutes is given by y=0.289

x. Which plan is cheaper? Why?
Mathematics
1 answer:
Murljashka [212]3 years ago
5 0

Answer: Plan A is cheaper, because the cost of a 2-minute call and a 4-minute call is less than the cost of a 2-minute call and a 4-minute of Plan B call.

Step-by-step explanation:

1. You have the following information of Plan A:

- A 2 minute call costs .54 cents.

- A 4 minutes call costs $1.08.

2. For Plan B, you know that the cost of x is given by the equation:

y=0.289x

3. Therefore, you can compare both plans by finding the cost of a call of 2 minutes and a call of 4 minutes of Plan B. You can calculate this by giving these values to x:

x=2\\x=4

4. Substitute the values into the equation:

y=0.289(2)=0.578cents (This is more expensive)

y=0.289(4)=1.156dollars (This is more expensive)

5. Therefore, Plan A is cheaper, because the cost of a 2-minute call and a 4-minute call is less than the cost of a 2-minute call and a 4-minute of Plan B call.

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