Answer:
1. keep counting
2. He can do 5 times 3 to get to the 15th shape and then say 2 more to get the 17th shape.
(The 17th shape would be triangle)
1. 30 mins
Step-by-step explanation:
yes she can
5 is interpolation
hope this helps!
12 links long because 5 + 7 = 12