Since +(-2.4) is simply +1(-2.4), we get 19-1.67-2.4=14.93
7 4/5 multiply 4/5 by 2 which will be 7 8/10+ 12 1/10 whigh will end up as 19 9/10

Step-by-step explanation:
- Set up equation as we know both weights are equal.
- Subtract two from both sides and divide by 2 to isolate the variable a.
- 3 = a
Answer:
75.36 feet
Step-by-step explanation:
It’s in the attachment below!