Answer:
Do you still need help with this?
Answer: 13 and 8
Step-by-step explanation:
13+8=21
13-8=5
All I did was trial and error. Plus, it helps to set up an equation : x+x=21, x-x=5
Answer:
Step-by-step explanation:
g(x) = 1/2 . 2^x = x=3 , y=1
25*2=50
10*5=50
so 2 packets of envelopes and 5 packets of stamps
