Answer:
It took 20 minutes to make 1 batch
Step-by-step explanation:
If 1/4 batch of brownies takes 5 minutes then you just multiply 5 times 4 and that equals 20.
Can u translate to indonesia please.
Answer:
10x + 4y is the correct answer
There are 80 children. 45 of them are girls. The amount of boys is equal to:

That means there are 45 girls and 35 boys.
The ratio of boys to girls is: 
Simplify:

Your answer is 7:9