The expression 8 x plus 2 times 3 y represents the total amount, in dollars, that Davellyn spent on tank tops and scarves, where x represents the number of tank tops she bought and y represents the number of scarves she bought. Which statement must be true about the amount Davellyn spent?
Answer
A
She spent 8 dollars for each scarf.
B
She spent a total of 14 dollars.
C
She spent 6 y dollars on scarves.
D
She spent 8 x dollars on scarves.
Explanation
The term 8x represents the amount spent on tank tops, and 2 times 3y simplifies to 6y. Since y is the number of scarves, Davellyn spent 6y dollars on scarves. Therefore, the statement “She spent 6y dollars on scarves” must be true.
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