Answer :

BrittleSkittle
To find the answer you can set up an equation like this: 3(x)(d) 
x would stand for number of cans each dog eats, while d stands for the number of days in a week. 3(2)(7)=42 Sam would have to purchase 42 cans of dog food each week. 
shristiparmar1221

Sam would have to purchase 42 cans of dog food each week.

What is the correct way to solve a Maths problem ?

Determine what the question is asking. Write down the relevant information in simple statements. Assign symbols to unknown values that need to be found. Determine how the statements relate to each other mathematically.

To find the answer we can set up an equation : 3 (x) (d)

x = number of cans each dog eats

d = the number of days in a week.

Thus,

Number of Cans to purchase =  3 (2) (7)=42

Therefore, Sam would have to purchase 42 cans of dog food each week.

Learn more about Equations here ;

https://brainly.com/question/21105092

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