which algebraic expression represents the number of cups of dog food per week needed to feed 3 dogs if each dog eats x CUPS per day A 7+3x B 7(3x) C 7x D 21÷x
This is because you have 3 dogs multiplied by x the number of cups. Because there are seven days in a week and you want to know about the entire week you then multiply the 3x by 7.
