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model contexts with two variable expressions what is the dollar value of 10 nickels and 3 quarter? what is the dollar value of x nickel and y quarters
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model contexts with two variable expressions what is the dollar value of 10 nickels and 3 quarter? what is the dollar value of x nickel and y quarters

User Iberbeu
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\begin{gathered} \text{one nickel correspond to }0.05\text{ dollars , and a quarter correspond to 0.25 dollars thus }10\text{ nickels and 3 quarter corresponds to} \\ 10\cdot0.05+3\cdot0.25=0.5+0.75 \\ =1.25 \\ \\ \text{that is, \$1.25 dollars} \\ \\ \text{for x nickel and y quarter}s,\text{ the price on dollar is} \\ 0.05x+0.25y \end{gathered}

User TPPZ
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