Answer:
10 +11f
Step-by-step explanation:
3(4 + 2f) + 5f - 2 =
12 + 6f + 5f - 2 =
10 +11f
I can’t see the image maybe if you redo it
Answer:
560 students
Step-by-step explanation:
400x1.4=560
Sn = n/2 (a1+an)
= 8/2 (3-38)
= 4 (-35)
= -140
Answer: C
Step-by-step explanation: A = 10 for one person. B = 7.5 for one person. C = 6.67 for one person. D = 8.75 for one person. E = 10 for one person.
Out of all of these, C is the cheapest.
