Answer:

the answer is A
Step-by-step explanation:
To calculate percentage, we turn the percentage into a decimal.
30% of 30 = 0.3 of 30 = 0.3 x 10
0.3 x 10 = 3
3 students play in the school band.

We can factorise this expression by grouping. First let us arrange it in this way

Let us bracket them like this:

In the first bracket portion, take x as common and in the second expression, take 2 as common.

<u>Answer</u><u>:</u>

Hope you could understand.
If you have any query, feel free to ask.
Get x all alone on its own side:
x=16+5
x=21
Answer:
I got 5.65
Step-by-step explanation:
36/8= 4.5, 4.5 +1.25= 5.65