Se eu tenho 480 diamantes e pago 25% para alguém, com quanto fico?

Question and answers are in the attached picture. you so much in advance.

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

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?