60.7k views
18 votes
I need help on this one

I need help on this one-example-1
User Dave Loepr
by
3.1k points

2 Answers

9 votes

Answer:

105

Explanation:

sequence number x 3 = S1

S1 x 5 = S2

21 x 5 = 105

User Troy Mitchel
by
3.5k points
12 votes

Answer:

90

Explanation:

you add 15 each time

75+15=90

User YYamil
by
3.5k points