Answer:
40
Step-by-step explanation:
Step 1: Define
2r(t - 1)
r = 4
t = 6
Step 2: Substitute and Evaluate
2(4) · (6 - 1)
8 · 5
2r (t – 1)
Let r= 4 and t = 6
2*4 ( 6-1)
PEMDAS says parentheses first
2*4(5)
Then multiply from left to right
8 ( 5)
