Answer:
The details are shown below. When sales is less than average we get negative sign.
Step-by-step explanation:
Month sales Average Deviation
July $1,750 1,460.83 [ 290.17 ]
Aug $1,800 1,460.83 [ 340 .17 ]
Sept. $1,6251, 1,460.83 [ 164 .27 ]
Oct. $1,395 1,460.83 -65.83
Nov. $1, 2151 1,460.83 [ -245.73 ]
Dec. $980 1,460.83 [ ]
Deviation:
July ----- 289.17
August ----- 339.17
September ----- 14800.17
October ----- -65.83
November ----- 10690.17
December ----- -480.83
The ratio between girls and boys in the cafeteria is 5:7.
1) 25:35
2) Simplify by dividing each variable by 5, since it's the greatest common factor between them.
3) 25/5 is 5. 35/5 is 7.
4) 5:7
2. 4x = 7x - 21
THE ANSWER TO THAT PROBLEM IS SIMPLY 175
