Answer:
$7.25=1hr $21.75=3hrs
Step-by-step explanation:
$58=8hrs
58/8=7.25
$7.25=1hr
7.25x3=21.75
$21.75=3hrs
Hope this helps :)
3/4 bc 1 1/4 divided by 20 is 1/16. 1/16 times 12 is 3/4
Given:
The system of equations that represent the constraints for the given situation is
To find:
The solution of given system of equations.
Solution:
We have,
...(i)
...(ii)
Multiply equation (i) by 4.
...(iii)
Subtracting (iii) from (ii), we get



Divide both sides by 12.90.


Put this value in (i).



The solution of system of equations is x=1.5 and y=2.75. It means, the yards of silk are 1.5 and yards of cotton are 2.75.
Answer:
The molecules become more active and it expands.
Step-by-step explanation: