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This table shows the different rates to ship books through the mail. Are the rates proportional? Explain.

Pounds: Cost:
4. $3.55
6. $4.33
8. $5.11

Respuesta :

Answer:

Yes

Step-by-step explanation:

difference between all of them is 0.78

it goes up 0.39 everytime it goes up 1.

The rates are proportional

4.33-3.55

0.78

5.11-4.33

0.78

0.78/2

0.39

236134

Answer:

Yes

Step-by-step explanation:

They have a similar difference of .78

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