At a snack bar, each medium drink costs $1.85 and each large drink cost c more dollars than a medium drink. If 5 medium drinks and 5 large drinks cost a total of $20.50, what is the value of c? A) 0.45
B) 0.40
C) 0.30
D) 0.25

B) 0.40

Step-by-step explanation:

m = 1.85

l = 1.85 + c

With 5 medium drinks and 5 large drinks:

C = 5m + 5l

20.5 = 5(1.85) + 5(1.85 + c)

20.5 = 9.25 + 9.25 + 5c

20.5 = 18.5 + 5c

5c = 20.5 - 18.5

5c = 2

c = 2/5 = 0.4

for ex: the reciprocal of 3/4 is 4/3. it is the opposite.

reciprocal definition:

a mathematical expression or function so related to another that their product is one; the quantity obtained by dividing the number one by a given quantity.

here is the

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