Answer:
area of the figure=1/2×16×7
=56 m²
The main formula we use here is Work=Rate*Time,
1. The rate (speed of working) of Dominik is

2. Let the the rate of Katarina be

Together they have a rate of

equal to

(project per hour)
so

simplify the units:



so the rate of Katarina is 3/40 (proj per hour)
Now, the rate of Dominik was 1/8 (pr/hr)=5/40 (pr/hr)
In 5 hours Dominik complets 5*5/40=25/40 of the project
Katarina completes 5*3/40=15/40 of the project.
<u>answer:</u> 
<u>work:</u>


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hope this helps! ❤ from peachimin
Answer:
6ft
Step-by-step explanation:
The answer is 6 feet
Have a good day:)