Given:
Larry pays $20.69 for 4 cases of soda 3 bags of chips.
One case of soda costs $1.55 more than one bag of chips.
To find:
The equation that represents this situation.
Solution:
Let cost of one bag of chips be $c. So,
Cost of One case of soda = $(c+1.55)
Cost of 4 cases of soda 3 bags of chips is

It is given that Larry pays $20.69 for 4 cases of soda 3 bags of chips. So, the cost is $20.69 for 4 cases of soda 3 bags of chips.

Therefore, the required equation is
.