775-550 = 225 for an extra 15 guests
225/15= 15$ per person
5 days food for 150 students suggests there was 750 day rations
If there was 100 students this would last 750/100 = 7.5 days.
If it ran out after 4 days there were 750/4 = 187 students (187.5 not valid)
Answer:
(5, 12, 13)
Step-by-step explanation:
5^2+12^2=25+144=169=13^2
5^2+12^2=13^2
Answer:
11 and 12
Step-by-step explanation:
Answer:Gwen will pay $560 in total
Step-by-step explanation:
From the 400 she will pay back and the 40% .40x400= 160 + 400 making it into the total to $560
