Kenneth S. answered 11/13/17
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Expert Help in Algebra/Trig/(Pre)calculus to Guarantee Success in 2018
Each cat eats 42p times 7 worth of canned food per week; this is 294 p worth.
Since there are 23 cats, this weekly total cost must be multiplied by23; the answer is 6762 p total cost.
It's just using multiplication because of MULTIPLE days in a week and because of MULTIPLE cats.