a. 1.9a+1.9b+1.9c
Explanation:
1. Distribute the 1.9 to all of the variables in the parentheses.
b. 585.2 pounds
Step-by-step explanation:
1. Substitute all the given variables in the formula - 1.9(132+91+85)
2. Add the numbers in the parentheses together 1.9(308)
Multiply 1.9 by 308 to get 585.2