In the sequence 20, 14, 8, … which term has a value of –70

the 16th term!!!

Step-by-step explanation:

if the first # is 20 and the common difference is -6 the 16th term would be -70

Step-by-step explanation:

The term 16 has the value of -70

because when

Un=-70 , a=20, d=-6, n=??

Un= a+(n-1)d

-70=20+(n-1)-6

-70=20-6n+6

6n=20+6+70

6n=96,  divide both sides by 6

∴ the 16 term has the value of -70

step-by-step explanation:

so first find out how much each is worth.

quarter= 25 cents

dime= 10 cents

pennies= 1 cent

then multiply each by how much each is worth.

200                     150                   300

x                         x                     x   1

  25                       10              

                                  300

1000                     1500

+                          

4000                                      

5000                                  

then count 2 from the back and add a period.

$50.00

$15.00

$3.00

and then add them

  $50.00

+

  $15.00

+

    $3.00

$68.00

so sunghee has $68.00

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rick would give her the best deal as he will charge $8.88 per hour