Help me please, algebra has been getting the best of me

label Algebra
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 Last week she sold 6 more than 3 times the number of CD's that she sold this week. Ms.K sold a total of 108 CD's over the 2 weeks. Write the system of equations that can be used to find l, the # of CDs' she sold last week, and t for # of this week.

Oct 22nd, 2017

Given:

I =, the # of CDs' she sold last week.

t = for # of CDs’ she sold this week

= 3t+6 (the # of CDs' she sold last week)

= 3t (# of CDs’ she sold this week)

3t+6+3t= 108

6t=108-6

t = 17

therefore:

= 17*3= 51 CDs’ ( total # of CDs’ she sold this week)

= (17*3)+ 6 = 57 CDs’ (the total # of CDs' she sold last week)


Aug 9th, 2014

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Oct 22nd, 2017
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