\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
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C
⌫
\(\pi\)
e
\(\frac{a}{b}\)
!
←
→
(
)
\(\sqrt{\,}\)
\(a^{b}\)
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\(\div\)
log
ln
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\(\times\)
cos
cos⁻¹
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2
3
-
sin
sin⁻¹
0
.
=
+
tan
tan⁻¹
Emma repaid \(\dollar 330\) in total, including \(\dollar 30\) of interest.
Find the original amount (principal) that Emma borrowed.
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C
0
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\(\dollar\)
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