Answer:
Part A :
Part B: To isolate variable we first divided both sides by 2 to cancel out 2 on the right side. Then we subtracted from both sides to cancel out from the right side leaving alone on right side.
Step-by-step explanation:
Given:
Formula for the perimeter of a rectangle :
To rewrite the given formula in terms of the width .
Solution:
In order to rewrite the formula in terms of the width , we will isolate on one side.
We have:
Dividing both sides by 2.
Subtracting both sides by .
Part A :
Part B: To isolate variable we first divided both sides by 2 to cancel out 2 on the right side. Then we subtracted from both sides to cancel out from the right side leaving alone on right side.
Answer:
13 pencils.
Step-by-step explanation:
Let x be the pens and y be the pencils
Given:
Brian purchased pens for 75 cents each and pencils for 40 cents each he bought total of 22 writing utensils for $11.95.
Total pens and pencils is 22
So, ----------------(1)
And he bought all utensils for $11.95. and each pen for 75 cents and pencils for 40 cents.
------------(2)
solve equation 1 and equation 2 for x and y.
From equation 1.
----------------(3)
put y value in equation 2.
Now substitute x value in equation 3.
So, he buy 13 pencils.
Every hour the factory makes 200 shirts. (1200/6)
Thus, every 9 hours the factory makes 1800 shirts.
To make 12,600 shirts, the factory will need to have at least 7 workdays.
(12600/1800) = 7