Excel remembers the last 100 actions you have completed.
Microsoft Excel or MS Excel is a spreadsheet developed by Microsoft. It is used in Windows, Mac OS X, iOS, and Androids. It features calculation, pivot table, graphing tools, and macro programming language.
H = s-30
188 = h+s
188 = s-30+s
188= 2s-30
218 = 2s
109 = s
109-30 = 79
109 sodas
79 hot dogs
check:
109+79=188
Y – 3x = 7
y -3x +3x = 7+3x
y = 7+3x
21 + 9x = 3y
21 + 9x = 3(7+3x)
21 + 9x = 21 + 9x
The answer is B.There are an infinite number of solutions.