40×4×4=640
b=20 h=4
using formula:
1/2×base×height
1/2×20×4=40
its says scale by factor 4:
b=80 h=16
using formula:
1/2×base×height
1/2×80×16=640
answer------>>>>640cm^2
(17-5)divided by 3=number of rides.
answer: robin went on 4 rides.
hope that helped! :)
Answer:
picture?
Step-by-step explanation: