Answer:
12×x+5y×3z
12×12+5×6×3×3
144+30×9
174×9
1,566.
that's what I found out.
12.3-7.9x
Step-by-step explanation:
8.9+3.4=12.3
-1.4x+(-6.5x)=-7.9x
<u>Given equation:</u>
<u>We know that a box survives 1/5 a day.</u>
<u>It will survive 1 3/5 a day in 8 boxes.</u>
