1 Answer

Anthonyeef · Answer 1 · 2023-10-27T22:31:24+0000

EXPLANATION :

From the problem, Joey had d one-dollar bills and f five-dollar bills.

The total amount in his wallet will be :

$\begin{gathered} Amount=\$1*(d)+\$5*(f) \\ Amount=d+5f \end{gathered}$

When d = 7 and f = 4, the total amount in his wallet is :

$\begin{gathered} Amount=d+5f \\ =7+5(4) \\ =27 \end{gathered}$

ANSWER :

The expression is Amount = d + 5f

The amount in his wallet is $27

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