Answer:
There was a 25% increase.
Step-by-step explanation:
Answer:
6:9:15
Step-by-step explanation:
multiply each number in the first ratio by three. They multiplied 3 times three to get 9, so you have to do that to each number to make it a ratio.
A ratio is like an equivalent fraction. It all has to be proportionate to the other fraction.
Examples:
4:3 is equal to 8:6
16:6 is equal to 32:12
Answer:
A
Step-by-step explanation:
Mistura = 26 ml + 104 ml = 130 ml
130................100%
26.....................x
130x = 260
x = 260/130
x = 2 --> 2% de álcool
