X= 23/7 so twenty-three sevenths
Answer:
2.41
Step-by-step explanation:
Cross multiplication
47(2)=39b
94÷39=39b÷39
2.41=b
<h2>
Answer:</h2><h2>The expression to give the requested sum after simplifying,

=

</h2>
Step-by-step explanation:
To find the sum of first 20 terms,
a = 6, r = 3
By formula, 
substitute the values in the above formula, the equation becomes,


= 
Answer: 49.45
Step-by-step explanation:
From the information, we are informed that June was thinking of a number and then doubles it and gets and gets an answer of 98.9.
Let the number be represented by x.
Since she doubles it, thus implies that:
2x = 98.9
x = 98.9 / 2
x = 49.45
The number is 49.45