Answer:
Step-by-step explanation:
C6
c.
12-7=5
6-1=5
42
weight of medals:
30 (0,5) = 15 kg
cost of 5 kg:
28/2 = 14
cost of shipping:
14+28=42
B
you do 0.74 + 0.18 and then subtract 0.8
-2x-2x+5=-1-2x-2x+5=1