Y= 12 - x
27 + 3( 12 - x ) = 2x
-15+15 - 9y =39+15
-9y=54
y= -6
Answer:each box cost =$3
Step-by-step explanation:
Amount of money Ms Hart has to spent on costume boxes=$40
Amount gotten as change after purchase=$4
Amount actually used up buying costume boxes =$40-$4=36
Since she bought 12 boxes , each box cost =$36/ 12=$3
0.6/10^-2
move the decimal 2 places to the right
0.6 becomes 60
answer is 60
Question <span>2x+3y=48
Answer </span><span>x = 24 + -1.5y
Question </span><span>x+6y=11
</span>Answer x = 11 + -6y
