Answer:
b
Step-by-step explanation:
Q16: $1.68
Q17: $77.40
Q18: 2.97500 millimeters
Q19: $34.56
Q20: $9.52
you would need 18 quarts of sparkling water to mix with 9 quarts of grape juice
1 1/2 is double of 3/4 so you just need to double 9 quarts of grape juice
30/4
7 times 4 = 28
28+2=30