Myra is putting together a puzzle such that every 5 days she places one quarter of the remaining pieces into the puzzle. If she started with a 800 piece puzzle, how many pieces are left to be placed after 23 days? Show the work that leads to your answer

Given:

Initial number of pieces Myra have = 800.

Every 5 days she places one quarter of the remaining pieces into the puzzle.

To find:

The number of remaining pieces after 23 days.

Solution:

Initial number of pieces Myra have = 800.

Every 5 days she places one quarter of the remaining pieces into the puzzle.

It means, she will place the puzzles on 5,10,15,20,25,.. days. she will place the puzzle 4 times before 23 days.

The number of remaining pieces decreasing by .

Formula for number of remaining pieces is

where, is the initial value, r is decreasing rate and t is time.

Putting and t=4, we get

Approximate the value to the nearest whole number.

Therefore, the number of remaining  pieces is 253.

do you mean add both of the equations together

because if you do the answer is 10x-5

step-by-step explanation: