Multiply: $\begin{array}{l}
3 \text { lb \quad9oz } \
\times \quad \quad 6 \
\hline
\end{array}$

A) 20 lb 6 oz
B) 20 lb 7 oz
C) 18 lb 15 oz
D) 22 lb 6 oz
E) 21 lb 6 oz

Question

Multiply: $\begin{array}{l}
3 \text { lb \quad9oz } \
\times \quad \quad  6 \ 
\hline
\end{array}$

A) 20 lb 6 oz
B) 20 lb 7 oz
C) 18 lb 15 oz
D) 22 lb 6 oz
E) 21 lb 6 oz

Quizplus · Accepted Answer

First, convert 3 lb 9 oz to ounces: 3 lb = 48 oz, so 48 oz + 9 oz = 57 oz. Multiply 57 oz by 6 to get 342 oz. Convert 342 oz back to pounds and ounces: 342 oz ÷ 16 = 21 lb 6 oz.

Multiply 3 lb 9oz ×6\begin{array}{l}3 \text { lb \quad9oz } \\\times \quad \quad 6 \\ \hline\end{array}3 lb 9oz ×6​​

Multiply $\begin{array}{l}3 \text { lb \quad9oz } \\\times \quad \quad 6 \\ \hline\end{array}$