Your answer is x = 78! Hope this helps!
Well, he would use 4/4 cup of cranberry juice to equal 1 cup. that is 4x the original amount. so, multiply 1/2 × 4 to equal 2 cups. David would use 2 cups of apple juice for every 1 cup of cranberry juice.
Answer:
C. 9
Step-by-step explanation:

Hence, side length of square = 9 feet.