Gregory predicts that 310 people will attend the spring play. And there was an actual total of 220 people who attended the spring play. What is the percent error.

Sagot :

310 - 220 = 90
90/310 = x/100 (cross multiplication) 
9000 = 310x
9000/310 = x
x = around 29%

Answer:

29%

Step-by-step explanation: