Potaetoe
Potaetoe Potaetoe
  • 23-04-2018
  • Mathematics
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PLEASE ANSWER QUESTION A AND B PLEASE.

PLEASE ANSWER QUESTION A AND B PLEASE class=

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Аноним Аноним
  • 23-04-2018
a) Let's say d is the number of days and C is the cost ($):
(1) Big Rigs: C = 3800 + 500d
if d = 6: C = 3800 + 500*6
= 3800 + 3000
= 6800

(2) Mr Digg: C = 5000 + 350d
if d = 6: C = 5000 + 350*6
= 5000 + 2100
= 7100

6800 < 7100, thus Big Rigs gives the better deal

b) Here we need to equate the two equations to see when the costs are the same:
3800 + 500d = 5000 + 350d
150d = 1200
d = 8, therefor it would take 8 days
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