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5 January, 11:34

Jayden has $1.20 worth of nickels and dimes. He has twice as many nickels as dimes. Determine the number of nickels and the number of dimes that Jayden has.

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  1. 5 January, 15:00
    0
    Total number of dimes=6

    Total number of nickels=12

    Step-by-step explanation:

    The expression for the total value of money Jayden has is;

    Nickels have a value of = $0.05

    Dimes have a value of = $0.10

    Total value = (value of nickels*number of nickels) + (value of dimes*number of dimes)

    where;

    Total value=$1.20

    Value of a nickel=$0.05

    number of nickels=y, but y=2 x

    Value of a dime=0.10

    number of dimes=x

    replacing;

    1.20 = (0.05*2 x) + (0.1*x)

    0.1 x+0.1 x=1.2

    0.2 x=1.2

    x=1.2/0.2

    x=6

    y=2 x=2*6=12

    Total number of dimes=6

    Total number of nickels=12
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