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Math·Problem-Solving and Data Analysis·Percentages

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The percent increase in mass of a certain red kangaroo from $90$ days old to $160$ days old was $438\%$. If this red kangaroo’s mass was $k$ grams at $90$ days old, which expression represents its mass, in grams, at $160$ days old?

A

$0.06k$

B

$1.06k$

C

$4.38k$

D

$5.38k$