Question

uncooked rice has about 4/13 the weight of cooked rice. You want to make 6.5 pounds of rice for a recipe. How many pounds of uncooked rice do you need?

Answer 1

You would multiply 6.5 times 4/13 and then add that to 6.5 to know the amount of uncooked rice you need so...
6.5x4/13=2
2+6.5=8.5