Alex, x, saved 30 dollars and Ethan saved 1/3 more than that.
Ethan saved dollars. Write the equation as both a decimal and fraction.

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?