If half a gallon of paint covers 1/6 of a wall, then we need 6 1/2 gallons of paint. To make this simpler, we can just say that a gallon of paint can cover 2/6 of the wall. This means that with 2 gallons of paint, we can cover 4/6 of the wall. 3 gallons of paint will cover 6/6 of the wall.
Step-by-stepFirst divide 10 by 2 which is 5% of the choose another if it’s going to be -5. Then multiply 5 by 3 which is 15 but since it’s -5 then it’s going to be -15
