Answer:
20
Step-by-step explanation:
IF you are asking why it is because 50-32=18 than you do 18/.90 which equals 20 so there you go thanks make brainliest
Answer:
12
Step-by-step explanation:
The proportion is equal to 
We can simplify the right side by dividing by 7/7 to get the right side equal to 6/5. Now we can cross-multiply to get
Dividing both sides by 5, we have the answer as
5+4 ÷2+3 or 5+2+3. you have to follow the order of PEMDAS..
P(arenthesis)
E(xponents)
M(ultiplication)
D(ivision)
A(ddition)
S(ubtraction)
If x = 3 and y =2 then 8x+7y= 38
and 2y = 4x is correct
hope it helps :)
edit i was incorrect about second answer it would be
2y =4x-4
