How many ways can you add 3 non-negative integers so the sum is less than 10?

The spring the owner of a sporting good store decreases the price of winter gloves from $10 to $8 each increases the price of swimming goggles from $8 to $10 without doing the math you think the percent decrease in the price of the gloves the same as the percent increase of the goggles explain why or why not

True or false look at the picture pls : /

Determine the solution for mc001-1.jpeg