You decide to save money to pay the fees for your hobby classes and save $22 in the first week. If you save $3 more each week than in the preceding week, how much money will you have by the end of the 10th week?

A.) $340
B.) $355
C.) $381
D.) $407
E.) $435

Question

You decide to save money to pay the fees for your hobby classes and save $22 in the first week. If you save $3 more each week than in the preceding week, how much money will you have by the end of the 10th week?

A.) $340
B.) $355 
C.) $381
D.) $407
E.) $435

anonymous · Answer

22 + [22 + 3(1)] + [22 + 3(2)] + . . . + [22 + 3(9)]

= (10)(22) + 3(1 + 2 + 3 + . . . + 9)

= (10)(22) + 3(9)(10)/2   =  ?

anonymous · Answer

355?

anonymous · Answer

Yep!  You got it!

anonymous · Answer

Thanks!

anonymous · Answer

uw!  Good luck in all of your studies and thx for the recognition! @SlyWolf0122

anonymous · Answer

Hey @tcarroll010 I just want to say that your helping  @SlyWolf0122 cheat on a big exam he has to take on a web page named ple.platoweb.com because he failed a semester of algbra 1.And @SlyWolf0122 THIS WEB PAGE IS FOR HELP, NOT 4 ANSWERS ON A TEST.