Business Mathematics Brief 12th Edition by Stanley Salzman ,Gary Clendenen, Charles Miller

تمرين 250

SMOKING A study was done using 272 smokers to see if a specific chewing gum would help them quit smoking. After three months, 2/3 of those in the group were still smoking. (a) Convert the fraction to a decimal and round to the nearest thousandth. (b) Find the number of people in the study that quit smoking rounded to the nearest whole number.