Answer:
x= 
y= 
Step-by-step explanation:

Simplify, find the x-value first:

Substitute x-value into any equation (i did the second equation) and simplify:


20 minutes* (1 hour/ 60 minutes)* (90 km/ 1 hour)= 30 km.
(Note that the units cancel out so you get the answer)
Final answer: 30 km~
the answer is 1 1/2 i hope this helps
Well 8 times 1.375 equals 11, so we just have to convert 1.375 into a fraction. That means her fraction is
, or 1
, depending on what kind of fraction she wants.