S= number of small boxes
l= number of large boxes
equation 1: s+l=120
equation 2: 15s+45l=3300
solve by elimination, multiply equation 1 by -15.
-15(s+l=120) = -15s-15l=-1800 add to equation 2.
-15s+15s-15l+45l=-1800+3300 = 30l=1500
30l=1500 , l=50
s+l=120, s+50=120 --> s=70
Answer:
The top number in a fraction. Shows how many parts we have. (The bottom number is the Denominator and shows how many equal parts the item is divided into.)
Step-by-step explanation:
Answer: 942
Step-by-step explanation: 20 x 3.14 = 62.8 62.8 x 15 = 942
Answer:
Step 2
Step-by-step explanation:
The answer should be 15x^2-3x^2y^2+y^4+3y
4 sorry I don’t know how to explain it. :(
