Answer: 93 grams Zinc
Step-by-step explanation:
3 Zinc : 13 Copper
x 31 x 31
93 Zinc, 403 Copper
or
set up a proportion, cross multiply, and solve for the variable:
3(403) = 13(x)
3(31) = x
93 = x
Answer:
Option 4.

Step-by-step explanation:
By graphing these we see that these triangles are Similar which means that there corresponding angles measure is equal i-e all angles are equal and hence option 4 is the answer
Just plug in a calculator 336/7 and you should get a non decimal answer.