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printer b uses $15 in ink every hour. what is the ink cost for each card coming from printer b?

Sagot :

Adioabiolaidn

The ink cost for each card coming from printer b is $0.30

How to calculate ink cost for printer B

  • Total hours of machine running for all printers for 3 weeks = 40 + 50 + 45 + 45 + 50 + 40 + 55 + 30 + 60

= 415

  • Total running hours of printer B = 50 + 50 + 30

= 130

  • Total cards produced in 3 weeks = 7,950 + 7,800 + 9,600

= 25,350

let

  • cards produced by printer b = x

Ratio of total hours to total cards = ratio of printer b hours to cards produced by printer b

415 : 25,350 = 130 : x

415 / 25,350 = 130 / x

  • cross product

415 × x = 25,350 × 130

415x = 3,295,500

x = 3,295,500 ÷ 415

= 7940.96385542168

Approximately,

x = 7941

Total cost of printer b in 130 hours = 130 × 15

= 1,950

Cost of ink = 1,950 / 7941

= 0.24556101246694

Approximately,

$0.30

Learn more about ink cost:

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