The answer to this problem is b
Answer:
84.5
Step-by-step explanation:
12.3(3)+11.9(4)=84.5
The answer is D because you just multiply the percent times 40 to get 12.
Step-by-step explanation:
since both objects and sides are similar, you can set each side equal, then you cross multiply, and do subtraction, then find x.
.25
you can come to this conclusion by calculating 13/52