nicoleh2015
17.09.2019 •
Mathematics
Fill in the blanks: (4 + a^2)(b + ? ) = 4b + 4c + ? + a^2c and n(? - m + k) = n^2 + ? + nk
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Ответ:
Ответ:
Assume first month's price is x
The Equation :
x+1/2x+1/4x+1/8x = 150
Multiply every term by 8 to get whole numbers
8x+4x+2x+x = 1200
15x = 1200
x = 80