Statements 1 and 4 are correct. Let me know if you need more of an explanation. :)
Answer:
6.3 inches
Step-by-step explanation:
5/9 = 3.5/x
5x = 31.5
x = 6.3
Answer:
n + 4 = 6
6
Step-by-step explanation:
Given problem:
4 more than one third of a number n is 6
Unknown:
The equation = ?
Solution of the number = ?
Solution:
let the number = n
So, 4 more than one third of a number;
One third of n =
n
4 more;
n + 4
is 6;
n + 4 = 6 (equation of the expression)
Let us now solve the equation:
n + 4 = 6
n = 6 - 4
n = 2
n = 6
It is just doubled the number before so the next number would be 160, then it would be 360, 720, etc..