2or3 and it can sometimes be 4 and 9
Step-by-step explanation:
n=9
step-by-step explanation:
7 times a number = 7n
decreased by 13 = 7n-13
same as is =
5 times the number = 5n
increased by 5 = 5n+5
7n-13 = 5n+5
2n=18
circumference divided by 3.141592654 then timesthe radius twice