Answer:
5.81
Explanation:
The question is asking you to substitute 1.4 for b in the expression b(4.15), so put 1.4 where the b is.
1.4 (4.15) or 1.4 x 4.15
Then, solve by multiplying the two numbers.
1.4 x 4.15 = 5.81
5.2m questions
6.7m answers