Question

D. $3.25 A cell phone at Store A costs $10 less than twice the cost of the same cell phone at Store B. If the phone costs $49.99 at Store B, how much does cost at Store A? A. $89.98 B. $99.98 C. $109.98 D. $119.99

Answer 1

$\begin{gathered} At\text{ Store B = x = \ 49.9} \\ \text{while the same cell phone in Store A cost }=\text{ \ 2x-\ 10} \\ \text{ =\ 2(49.9) - \ 10 } \\ \text{ = \ 99.8 - \ 10} \\ \text{ =\ 89.8} \end{gathered}$