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JadedylaneH3115
03.03.2021 •
Mathematics
The Carr School Band purchases pizza and drinks for their end-of-year celebration. Each pizza costs $10 and each drink costs $2. A total of 62 items (pizza & drinks) are purchased for a total price of $220. If p = the number of pizzas and d = the number of drinks, which system represents this situation?
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Ответ:
4n + 100 = C
7n = C
by elimination 7n - 4n - 100 = 0
3n = 100
n = 100/3 (33.33)
*need to sell 34 pizzas
n= number of pizzas
c= cost
Step-by-step explanation:
Ответ:
Step-by-step explanation:
p+d=62 and 10p+2d=220
Not sure if you need solution, but
p=62-d, using this p in second equation gives you
10(62-d)+2d=220
620-10d+2d=220
-8d=-400
d=50, and since p=62-d
p=12
So the band purchased 50 drinks and 12 pizzas.
Ответ: