Question

Each pizza Noah prepares has $6$ oz of cheese. To create $21$ such pizzas, Noah will require how many pounds of cheese?

• A. $16$
• B. $32$
• C. $9$
• D. $144$

Answer 1

The correct option is C $9$

Cheese required to prepare one Pizza$=6$ oz

Total number of Pizza $=24$

Total mass of cheese requied
$=6\times 24=144$ oz

Note: $1\text{lb}=16\text{oz}\Rightarrow 1\text{oz}=\frac{1}{16}\text{lb}$

So, total mass of cheese requied$=\frac{144}{16}\text{lbs}=9\text{lbs}$