<span>To find what percent one number is of another number, write the two numbers as a fraction, with the whole as the denominator. Then find an equivalent ratio with a denominator of 100 and write that ratio as a percent.</span>
Answer: last option
Step-by-step explanation:
You know that the weight of his pumpkin 4.9 pounds and that, if he guesses its weight within 0.3 pounds, he will get the pumpkin for free.
Then, to find the minimum weight he can guess in order to get his pumpkin for free, it's necessary to write the expression:

Rewriting it:

To find the maximum weight he can guess in order to get his pumpkin for free, it's necessary to write the expression:

Rewriting it:

X can be from -1.6 to -1.7 or x can be from -3.3 to 3.3