Answer:
288
Explanation:
As first term in sequence is 3 so multiplying it by common ratio 5 we get 15, then multiplying 15 by 5 we get 45 and so on the sequence is
<span>3,15,45,225</span>
whose sum is 288
Answer:
55%
Step-by-step explanation:
Make 11 out of 20 as a fraction:

11 ÷ 20 is 0.55.
To make a decimal a percent, you multiply it by 100. So,
0.55 x 100 = 55
= 55%
So, the answer is 55%
Answer:
Step-by-step explanation:false
Answer:
The unknown number is 1.
Step-by-step explanation:
You have to form an expression. So let's make the unknown number as x. Firstly, a number is multiplied by 5 :


Secondly, 5 is added to product and you will get 10 :

Lastly, you have to solve :




