SOLUTION: help arithmetic progression Sorry!!! hi i already ask this and got answer but i can figure it out how pls. give the solution or even a formula for this thanks a lot. 1.) How man

Question 212147This question is from textbook ALGEBRA
: help arithmetic progression
Sorry!!! hi i already ask this and got answer but i can figure it out how pls. give the solution or even a formula for this thanks a lot.
1.) How many numbers between 10 and 200 are exactly divisible by 7? Find their sum.
2.) A piece of equipment cost a certain factory $29,000.If it depreciate in value 15% the first year, 13% the second 12% the third and so on, what will its value be at the end of 10 years, all percentage applying to the original cost?
This question is from textbook ALGEBRA

Answer by DRichardson(63) (Show Source): You can put this solution on YOUR website!
Hello there,
I am the same one as who answered you before also...here it is again

26 numbers between 10 and 200 are divisible by 7:
Their sum is : 2,835
29000 x .15 = ???
Just follow this formula (make the percent decimals by moving the decimal two places to the right) and multiply...then youll get your answer for them all!

Hope this helps...again
Delilah R.

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