+0  
 
0
40
1
avatar

A training program requires a pilot to fly circuits of an airfield. Each day, the pilot flies three more circuits than the previous day. On the fifth day, the pilot flew 14 circuits. How many circuits did the pilot fly:
 

a. on the first day?

b. in total by the end of the fifth day?

c. in total by the end of the nth day?

 May 7, 2020
 #1
avatar+657 
0

Day 5, 14 circuits

day 4, 11 circuits (3 less)

day 3, 8 circuits

day 2, 5 circuits

day 1, 2 circuits

The first day he flew 2 circuits.

 

Total = 14 + 11 + 8 + 5 + 2 = 40 circuits

 

on the nth day he will fly (3n+2) circuits.

 

coolsmileycool

 May 7, 2020

18 Online Users

avatar
avatar