Step-by-step explanation:
m+3=9
m=9-3=6
The second question I guess that it is solved like
2x+5=11
2x=11-5
2x=6
X=3
Or the other qusetion 5x-8=27
5x=19
X=19/5
I don't know the machine so sorry
I may not be able to use the appropriate vocabulary. But, the ratio of holiday stamps to president stamps is of 8:5 we can reach this conclusion because a ratio is just a fraction, if we put 40 over 25 we then put it in simplest form to get 8/5, or a ratio of 8 holiday stamps to every 5 president stamps
Answer:
a)
where 
b)
where 
c) 
Step-by-step explanation:
Sale price of chocolates = $1.80 per chocolate
Fixed cost for the Chocolate Shoppe per week = $450
Cost to produce one chocolate = $0.60
Cost to produce
chocolates = $0.60
a) Cost function to represent the total cost for the production of
chocolates :
where 
b) Revenue function to represent the revenue from the sale of
chocolates:
where 
c) Profit function to represent Charlie's profit from selling
chocolates:
Profit is nothing but revenue minus sales.
