a band performs a free concert in a local park. there are 300 people in the crowd at the concert. the number of people in the crowd grows 15% every half hour. how many people are in the crowd after 3 hours? round to the nearest hour
Three hundred times fifteen percent equals forty-five = 300 * 0.15 = 45 45 * 6 = 270 300 + 270 = 570. There will be five hundred and seventy people total at the concert after three hours. Hope this helps