Asked by kennisha

a catering company has 15 customers orders during its first month. for each month afterward the company has double the number of orders of the previous month. how many orders in total did the company fill in its first year?
Answered by Ms. Sue
One way to solve this problem is simply to keep doubling the numbers.
1 - 15
2 - 30
3 - 60
4 - 120
5 - 240

etc.

Be sure to add your numbers together to find the total orders for the year.
Answered by kennisha
but would i have to use the geometric series to find this out
Answered by Reiny
looks like a GS where
a = 15
r = 2
n = 12

S₁₂ = 15(2^12 - 1)/(2-1)
= 61425
Answered by kennisha
ok thanks you
Answered by kennisha
but when i did it i got 30720
Answered by Ms. Sue
In month 12, there were 30,720 customer's orders.

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