Which of the followmg is an expression for "doubling a number n and dividing by 3"​

Lilianna uses 3/4 calories per minute just by sitting. she uses 1 more calorie per minute by walking. lilianna uses a total of 12 1/4 calories walking to the park. lilianna uses the equation, d(.75+1)=12.25 to represent the situation. what does the variable d represent in the equation?

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.

Acarton of juice contains 64 ounces miss wilson bought six cartons of juice how many ounces of juice did she buy