Answer:
I could be wrong, but I believe that the answer is D, none. This is because there is only proof of one congruent side and angle.
Step-by-step explanation:
Step-by-step explanation:
The key to solving word problems is in translation: turning word into math
Below is a general approach to most/any word problem
1. Read through the whole question once, without lingering over details, to get some sense of the overall problem
2. identify and label the variables or unknowns in a way that makes it easy to remember what they stand for.
3. translate the problem into one or more equations, sentence by sentence, and be careful of the order in which you translate the terms
4. solve the equation(s)
5. check your work
To Find :
How many gallons of a 80% antifreeze solution must be mixed with 100 gallons of 20% antifreeze to get a mixture that is 70% antifreeze.
Solution :
Let, x gallons of 80% antifreeze solution is required :
So,

Therefore, 500 gallons of 80% antifreeze solution is required.
Answer:
1st one I hope this helped!
Step-by-step explanation: