Question

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let boxes$=yxβ$ then,

Solve part (a).

$yxββ85β=41β$

$yxβ=41β+85β$

$yxβ=82+5β$

$yxβ=87βans.$

Solve part (b).

$yxββ51β=21β$

$yxβ=21β+51β$

$yxβ=105+2β$

$yxβ=107βans.$

Solve part (c).

$yxββ21β=61β$

$yxβ=61β+21β$

$yxβ=61+3β$

$yxβ=64β$

$yxβ=32βans.$

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