there are 200 kids in 6th grade at smith middle school. if 25% of them purchase a school t-shirt that costs $20, how much money did the 6th graders spend on t-shirts in all?there are 200 kids in 6th grade at smith middle school. if 25% of them purchase a school t-shirt that costs $20, how much money did the 6th graders spend on t-shirts in all?there are 200 kids in 6th grade at smith middle school. if 25% of them purchase a school t-shirt that costs $20, how much money did the 6th graders spend on t-shirts in all?