11 : 12.....11 + 12 = 23
boys : 11/23 * 460 = 5060/23 = 220 <===
girls : 12/23 * 460 = 5520/23 = 240
7m - 3m + 5 = 45
4m + 5 = 45
45-5 = 40
4m = 40
40/4
m = 10 minutes
Answer:
Get the mean and standard deviation with excel spreadsheet and do the calculation as shown in details below.
The equation of a line is mx+b
No the game with tax after the %50 off will com to $25.08 ron will be short .08 cents