Question

Elena bought 8 tokens for 4.40$ at this rate:How much will 19 tokens cost?

Answer 1

Given:

Elena bought 8 tokens for $4.40

`\begin{gathered} \text{Cost of a token=}(4.40)/(8) \\ \text{Cost of a token= \$0.55} \end{gathered}`
`\begin{gathered} \text{Cost of 19 tokens=19}*0.55 \\ \text{Cost of 19 tokens= \$10.45} \end{gathered}`