Answer:
10
Step-by-step explanation:
=
= 10
Answer:
It's the 2nd option 2*2*3*3*5
Step-by-step explanation:
Answer:
55% because 1815 divided by 3300 is .55, and .55 is 55%
We add 0.00055+0.00104 together.
0.00104+0.00055= 0.00159
I hope this helps!
Based on the calculations, the unknown number is equal to 
- Let the unknown number be x.
<h3>How to find an
unknown number:</h3>
Translate the word problem into an algebraic expression, we have;
Adding 21 to the unknown number:

Multiplying the result by 3:

84 more than two-thirds of the unknown number:

Equating the equations, we have:

Cross-multiplying, we have:

Read more on word problems here: brainly.com/question/13170908