The Idol's Eye diamond weighs 79.2 carats. The Blue Hope diamond weighs 33.68 carats less than the Idol's Eye. What is the weight of the Blue Hope diamond?
A.
-146.56
B.
-45.52
C.
45.52
D.
140.20

Question

The Idol's Eye diamond weighs 79.2 carats. The Blue Hope diamond weighs 33.68 carats less than the Idol's Eye. What is the weight of the Blue Hope diamond?
A. 
-146.56
B. 
-45.52
C. 
45.52
D. 
140.20

jhonyy9 · Answer

given that I.E. diamond weighs 79,2 carats and B H diamond weighs 33,68 carats less than the I.E.

what you need to do than you know that BH diamond weighs 33,68 carats LESS than the IE. 
?

what you need to do with 33,68 ?