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Lv 5
? asked in Science & MathematicsMathematics · 10 years ago

a man was paid a basic salary of sh 79200 p m in 1994.each year was given an increment of sh 6600. which year?

does his salary doubles the basic salary?

2 Answers

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  • Mike
    Lv 5
    10 years ago
    Favorite Answer

    Let x be the number of years since 1994.

    You want to solve for x in the equation:

    6600x + 79200 = 2*79200

    6600x + 79200 = 158400

    6600x = 79200

    x = 12

    So, after 12 years, his salary will double.

  • ?
    Lv 7
    10 years ago

    When all the increments add up to his original basic salary,

    i.e. when 6600 x = 79200

    x = 79200/6600 = 12

    1994 + 12 = 2006

    His salary will be doubled basic salary in 2006

    Mαthmφm

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