a phone company offers teo monthly plans plan a cost 25$ plus an additional 0.11 for each minue of calls. plan b has no initial
1 answer:
You might be interested in
Let be the amount of food needed for one man for one day. At the beginning, we have enough food for 400 men for 40 days, i.e.
After 10 days, the 400 men will have consumed
food, impliying that the food remaining is
If 200 more men join the garrison, there are now 600 men. Each of them requires food each day, and there are
units of food remaining. They will last
days.