Mr b earned money over the summer working at his family's store. he put
three-fourths of the money he earned in his savings account and spent half of the
rest. if he has $120 left over, how much did he earn?

Mr. B earned $960

Step-by-step explanation:

120 = 12.5% - How?

100% - 3/4 - 25%

25% ÷ 2 = 12.5%

120 x 2 = 240 (25%) (1/4)

240 x 4 = 960

an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.