Hi, to answer this question we have to analyze the statement
.
<em>The quotient of some number and ten</em>: quotient means the result of a division of two numbers. In this case, the numbers are "some number" a variable that can be named with a letter (z) and ten (z/10)
<em>Five times the...</em>: it means that we have to multiply the previous expression by 5.
Hi, all we need to do is to divide the amount of total dog food by the amount that dog eats every day and we will get the number of days the dog food will last.