If 1/2 of a gallon of paint covered 1/4 of the wall how much does it take to cover the whole

2 gallons of paint.

Step-by-step explanation:

Since gallon of paint covered = of the wall.

Therefore, 1 gallon of paint covered = 1 × = = of the wall.

To paint 1 wall we need the paint = = gallon of paints

                                                      = 2 gallons of paint.

2 gallons of paint covers the whole wall.

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)