A new computer sells for $ 699.00 on a eBay.The markup is 30% on cost. What's the total cost of the computer sale.a. $ 490.00, B. 908.70, c. $ 489.30,. D. $ 537.69

my answer is B.

3 answers

1.30 * c = 699
c = 699/1.3
C + 0.3C = 699,
C = $537.69.
the cost = 699$
the markup = 30%
1% = 699/100 = 6.99$
30% = 6.99 x 3 = 209.7$
the markup = 209.7$
the total cost = 699 + 209.7 = 908.7$