Question

Antonio's work is shown:

-15 + 15 = 30, So 30 minutes to care for the Guinea pig
-3 weeks = 21 days
-21 times 30 is 630 days
so it will take 6 hours and 30 minutes to take care of the Guinea pig,

What mistake did Antonio make in his reasoning, Include the correct amount of time, In hours and minutes in your answe

Answer 1

anwser: the firsr negitiv is 15



step by step explanation:

Answer 2

the first step

Explanation:

-15 + 15 = 0

15 + 15 = 30

the first 15 is negitive