(79x - 51y) - (58x + 31y)

Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

The triangles are similar. what is the value of x? show your work.

Which of the symbols correctly relates the two numbers below check all that apply 6? 6