let x be the number of adults
let y be the number of child
3.5 x + 2.25 y = 50
x+ y =20 y = 20 - x
3.5 (20-y ) + 2.25 y = 50
70 - 3.5 y +2.25y =50
70 -1.25 y = 50
y = 16
and x = 4
Answer:

Step-by-step explanation:
The standard form of a polynomial is its representation in a descending order starting from the term with the highest degree to the one with the lowest.
Here,
Answer:
The Answer is [B]
Step-by-step explanation:
i actually dont have one
Answer:
$3.05 i'm pretty sure
Step-by-step explanation:
If one pound is $0.94 and she bought 3.25 pounds you multiply 3 by 0.94 and get $2.82 (we multiply by 3 to make it easier and to deal with the .25 later) then now we deal with the .25, since .25 is 1/4 in fraction just find out what 1/4 of .94 is which is .23 cents. So add $2.82 and $0.23 and you get $3.05
Answer:
x= -4
Step-by-step explanation:
-8 -x= x -4x
Simplify:

Bring all x terms to 1 side by adding x on both sides:

Simplify:

Divide both sides by -2:
