Which of the following is a flat surface that extends infinitely, has length and width, but does not have depth?

38.5

step-by-step explanation:

lets say, first number = r

second number = 3r+7

total = 49

(r)+(3r+7)= 49

4r+7 = 49

4r = 42

r = 42/4

r= 10.5

3r+7 = 3(10.5)+7 = 38.5

hope this

10 glasses of juice could be made with 5 carrots, 1,500 orange juice, 2,000 papaya juice.