If u answer this i will give you brainliest

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?

Percent increase and decrease. original number: 45 new number: 18