The next answer is 85.
Counting by five is the same as adding 5 to the number he starts with.
Therefore, 80 + 5 = 85
Answer:
No solution
Step-by-step explanation:
n+5n-1=6n+5
6n-1=6n+5
6n-6n-1=5
0-1=5
no solution
Answer:
Because it's caused by addition, and not multiplication or division
Step-by-step explanation:
5(+4)9(+4)13(+4)17(+4)21
The decimal for 8/18 is 0.44, you simplify 8/18 to 4/9, divide 4 by 9 for the decimal.