The number of days that it will take the hippo to eat 1 ton equivalent of food is; 20 days
From conversion tables, we know that;
1 ton = 2000 pounds.
Now we are told that the hippopotamus eats 100 pounds of food a day.
We want to know how many days to eat 1 ton which is 2000 pounds.
Thus;
Time to eat 2000 pounds of food = 2000/100
>> 20 days
Read more on unit conversion at; https://brainly.com/question/4062096