Question

Lisa adds 2 tsp baking soda to 6 lbs. of flour. How much baking soda should she add to 9 lbs. of flour?(1 point)
Responses

18 tsp
18 tsp

27 tsp
27 tsp

3 tsp
3 tsp

9 tsp .

Answer 1

To find out how much baking soda Lisa should add to 9 lbs. of flour, we can set up a proportion based on the ratio of baking soda to flour.

Lisa uses 2 tsp of baking soda for 6 lbs. of flour.

First, we can find the amount of baking soda needed per pound of flour:
\[
\text{Baking soda per lb} = \frac{2 \text{ tsp}}{6 \text{ lbs}} = \frac{1}{3} \text{ tsp/lb}
\]

Next, we can calculate how much baking soda is needed for 9 lbs. of flour:
\[
\text{Baking soda for 9 lbs} = 9 \text{ lbs} \times \frac{1}{3} \text{ tsp/lb} = 3 \text{ tsp}
\]

Thus, Lisa should add **3 tsp** of baking soda to 9 lbs. of flour. The correct response is:

**3 tsp**.