A study determined that an average 30 dash year dash old

male in 2005 could expect to live at least 40.77
more years and an average 30 dash year dash old
female in 2005 could expect to live at least 49.93
more years.
(a) To what age can an average 30 dash year dash old

male expect to​ live?
​(b) To what age can an average 30 dash year dash old

female expect to​ live?
​(c) Who can expect to live​ longer, a male or a​ female? By how many​ years?

(a) Male = 30 + 40.77 = ?

(b) Female = 30 + 49.93 = ?

(c) Subtract a from b

Do not need to write "dash". Instead, use this symbol "-" on the upper part of your keyboard.