+229 Elizabeth bought 4 drinks and some nachos . The nachos cost $6 and she spent a total of $18. how much did each drink cost? use d to represent the cost of each drink .
A; 4d+6=18-->d=3; each drink cost $3 .
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B. 6d+4=18-->d=2;each drinnk cost $2.
C;4d+6=18-->d=6; each drink cost $6.
D:4d+6=18-->d=3; each drink cost $4.
