Answer:
7
Step-by-step explanation:
0.3r = 2.1
r = 2.1 ÷ 0.3
r = 7
100% because there are no dimes but if you talking of that there is its 50% for dime and penny
Answer: 2600 if I'm wrong can u please use proper grammar cuz i kinda wanna try to solve it unless I'm right
Step-by-step explanation:
8(m-3)=56
8m-24=56
8m = 80
m= 80 /8
m= 10
If

denotes the sum of the first

terms of a geometric series with first term

and common ratio

, then





Using summation notation, you have

In this case, you have

,

, and

. So the value of the sum is

Rounded to the nearest whole number, the answer would be 3.