Most dogs fail to become service dogs. In a recent training class, only 7 of the 15 dogs were certified as service dogs. What percent of dogs became certified service dogs, rounded to the nearest percent?

Carli has 90 apps on her phone. braylen has half the amount of apps as theiss. if carli has three timesthe amount of apps as theiss,how many apps does braylen have? let b represent the number of braylen's apps and t represent the number of theiss's apps.