Deshawn uses 3/4 of a box of rice to cook dinner. the portion he uses weighs 12 ounces. write and solve and equation to find the weight of the full box kf rice.

This is so hard and it’s for a test

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm

Julie was able to walk 16 km through the zoo in 6 hours. how long will it take her to walk 24 km through the zoo?