Question 347671
Hi,
{{{S=C+r*C}}}
.
Substitute as You Read
{{{474=380+r*380}}}
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Simplify and Solve for r
{{{94=r*380}}}
{{{.2474=r}}}
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rounded to the nearest tenth of a percent.
r = 24.7%
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check your answer:
380 + .247*380 = 474