Answer:
a only
Step-by-step explanation:
its a negative change b is a positive and there is no "a and c" choice listed
Answer: [-11,4]
Step-by-step explanation:
yes in brackets
Mistura = 26 ml + 104 ml = 130 ml
130................100%
26.....................x
130x = 260
x = 260/130
x = 2 --> 2% de álcool