Question

#35 "A person hired a firm to build a CB radio tower. The firm charges $100 for labor for the first 10 feet. After that, the cost of the labor for each succeeding 10 feet is $25 more than the preceding 10 feet. That is, the next 10 feet will cost $125, the next 10 feet will cost $150, etc. How much will it cost to build a 90-foot tower?"

Answer 1

If you like i can do an attachment if you need it

Answer 2

2100..
???

Answer 3

you lost me ....... would you like the attachment

Answer 4

well yes..

Answer 5

there you go

Answer 6

thnx

Answer 7

no problem i try to make it easy

Answer 8

Mas did i loose you

Answer 9

well i get 2100 as my ans....but i dont know is it correct or not..

Answer 10

the equation that that are using in my book is: \[An=a1 + (n-1)d\]

Answer 11

well i didnt get it..