1) he is not reasonable because pounds per feet would mean you would do 7.3/14.6 which is a decimal
hope this helped :)
5 hours because 7/5 *5/1=35/5 and 35 divided by 5 equals 7
U should do like this... But sry I don't know third part
Answer:
z = 18
x = 26 and y = 16
Step-by-step explanation:
Given:


Rewrite
to make
the subject:

Substitute this into
:

Cross multiply:




Substitute found value of x into
and solve for y:


Substitute found value of y into
and solve for z:
