the high school graduating class of 2000 was 260 people. 5 years later it was 320 people. by 2010 the class rose to 400 people. in what 5 year period. did the high school graduating class experience the greatest experience of change

the question is confusing but the answer is 2010

step-by-step explanation:

because in the year 2000 it was

260

then increased by

60

over 5 years making the next class

320

then in 2010 it was

400

and 320 + what is 400?

80

so the answer is:

2010

{3 + i, 3 - i, 3, -1}

step-by-step explanation: