After one week a music downloading site sold over 80,000 songs. After 4 weeks the music downloading site sold over 300,000 songs. Find the average rate of change of songs per week.

Question

hang254 · Answer

rate of change=change in value/change in time

hang254 · Answer

300000-80000=220000
220000/4=55000

campbell_st · Answer

Using Hang's method

the 2 ordered pairs ar (1, 80000) and (4, 300000)

so the average change is   (300000 - 80000)/(4 -1)

anonymous · Answer

I got the same Answer wat @hang254 said

hang254 · Answer

sweet :)

anonymous · Answer

but but but but its wrong @hang254

hang254 · Answer

sorry

campbell_st · Answer

it maybe 220000/3 or just 300000/4

campbell_st · Answer

for me.... I'd say 300000/4