Describe and correct the error. describe and correct the error. 9 + 2 × 3 = 11× 3 = 33

PEMDAS comes first. Instead of adding 9+2 first, they should've multiplied 2x3. The final answer would be 15.

4 times

Step-by-step explanation:

1 quart is equivalent to 32 fluid ounces.

If each eruption consumes 8 fluid ounces of vinegar. Assuming that the amount of vinegar required per eruption is constant, the number of times Tanvi can make her volcano erupt is:

Tanvi can make her volcano erupt 4 times  with 1 quart of vinegar.