Peggy earned $20 for each lawn she mowed last summer. This summer she raised her price to $23 per lawn. What is the percent increase of peggys charges

15%

Step-by-step explanation:

Given that,

Initial earning is $20 for each lawn and this summer she raised her price to $23 per lawn. We need to find the percent increase of peggy's charges. It can be given by :

Putting the values in above formula, we get :

So, there is 15% increase in the peggy's charges.

2? if not the correct answer you might need to provide more information

step-by-step explanation:

graph b

step-by-step explanation:

one solution- graph a (clear intercepting point.)

no solution- graph b (they're parallel, there will never be a point of interception.)

infinite solutions- graph c (all points intercept.)