Abby can buy an 8 pound bag of dog food for $7.40 or a 4 pound bag of the same dog food for $5.38 which is the better buy
2 answers:
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45 million * 
= 45million * 16 = 720million
Or you can use
A is equal to 45 million
To find the rate, k, we can plug in:
Knowing that t = 4
Or you can use
A is equal to 45 million
To find the rate, k, we can plug in:
Knowing that t = 4