Rex is searching for bread and discovers that he has 40 buns for
every 10 cubes of cheese. if he has 80 buns, how many cubes of
cheese does he have?

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)