For a local telethon 3860 viewers called in and donated money on the first night. The next night there was a 20% decrease in the number of calls from the first night. How many calls did the telethon receive on the second night

Respuesta :

They received 3,088 calls.

3,860 -> 3,088
|———————|
100% -20% 80%

Cross multiply 3,860 by 80 and divide by 100 to get 3,088