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01-09-2020
Mathematics

contestada

Can someone help me answer this question please?

Can someone help me answer this question please class=

Respuesta :

01-09-2020

Answer:

0.10

Step-by-step explanation:

between 1980 and 2010 : 30 years

the change of price:3.99-0.99= 3 dollars

the average rate : 3/30=0.10 or 10 %

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