math question

A television commer

cial advertises that a certain type of battery will last, on the

average, 20 hours longer than twice the life of another type of battery. If

consumer tests show that the advertised battery lasts 725 hours, how many

hours must the other type of battery last

for the advertiser’s claim to be valid?

(SHOW COMPL

ETE WORK)

A television commercial advertises that a certain type of battery will last, on the

average, 20 hours longer than twice the life of another type of battery. If

consumer tests show that the advertised battery lasts 725 hours, how many

hours must the other type of battery last for the advertiser’s claim to be valid?

(SHOW COMPLETE WORK)