Well, there are lots, but if you get rid of the parenthesis...
you would get 21c and that equals to 7(3c).
Answer:
That's correct. The answer would be 16.3 when you add them both together.
It takes 1.5 hours for 4 workers to paint the same room
<em><u>Solution:</u></em>
Given that 3 workers can paint a room in 2 hours
To find: Time taken for 4 workers to paint the same room
Assume the time needed to paint the room is inversely proportional to the number of worker

Where, "k" is the constant of proportionality
<em><u>3 workers can paint a room in 2 hours</u></em>
Substitute number of workers = 3 and time = 2 hours

Therefore,

To find time taken for 4 workers to paint the same room, substitute number of workers = 4 in above expression

Thus it takes 1.5 hours for 4 workers to paint the same room
The value of the highlighted variables ave been determined a =6, b= 2 ,c= 6 , d = 2 , e = 6 , f = 6, g =1
<h3>What is an Expression ?</h3>
An expression are mathematical statement consisting of variables , constants and mathematical operators .
The given expression is

a = 6
b= 2
c= 6
d = 2
e = 6
f = 6
g =1
Therefore the value of the highlighted variables ave been determined.
To know more about Expression
brainly.com/question/14083225
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