Respuesta :

trevordoyleione

300 ordered

80% of them are hi-def

so 80% of 300

is 0.8 x 300 = 240

240 of the ordered TV's are hi-def

or if you used the images

each inteval is 30 (because 10% of anything is its self minus a 0)

count up 8 intervals and count up by 30s

you get 240