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Sati [7]
3 years ago
7

Which expression cannot be used to calculate the sale price of a fish tank that was originally at priced d dollars and is on sal

e for 25%?
Mathematics
1 answer:
Drupady [299]3 years ago
3 0
Where S is sales price,
S = .75d

You said which expression CANNOT be used, but I assume you mean can. Let me know if you didn’t.
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On a recent trip to the convenience​ store, you picked up 4 gallons of​ milk, 5 bottles of​ water, and 8 ​snack-size bags of chi
Otrada [13]

Answer:

One gallon of milk costs $3.64

One  bottle of water costs $2.54

One bag of chips costs $0.79

Step-by-step explanation:

m represent gallons of milk

w represents  bottles of water

c represents snack-size bags of chips

t = total bill

t = m + w + c         ... eq 1

t = $33.60

but

w = 2c

m = 1.90 + w

m = 1.9 + 2c

Slot in the values in eq 1

33.60 = (1.9 + 2c ) + 2c + c

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