Answer:
1, 5, 17, 53, 161
Step-by-step explanation:
Given:
First five terms of the sequence:





U subtract 4x by 5x and then you add 3 by -21 and the answer is x=18
Answer:
30 days
Step-by-step explanation:
The common multiples of 15 and 6 are 30, 60, 90 etc and because it increases by 30 each time we can find out that he will play both football and basketball together in thirty days!