Which of the following statements is true about the relationship between a BTU and a kilocalorie?

W) A BTU has about one tenth the energy of a kilocalorie

X) A BTU has about one fourth the energy of a kilocalorie

Y) A BTU has about the same amount of energy as a kilocalorie

Z) A BTU has about 251 times the energy of a kilocalorie
X) A BTU HAS ABOUT ONE FOWTH THE ENERGY OF A KILOCALORIE