Answer:
-20x + 15
Step-by-step explanation:
Answer:
2x+4
Step-by-step explanation:
Answer:
Either :
1/2 10x+1/2 20y+1/2 10z
or
5x+10y+5z
Step-by-step explanation:
You're just multiplying everything by 1/2
Answer:
306
Step-by-step explanation:
mark brainliest :)
Answer:
12.30
Step-by-step explanation:
1.30x4=5.20
54.40-5.20=49.20
49.20/4= 12.30