Easy peasy

Algebra Level 2

For all real numbers $b$ and $c$ such that the product of $c$ and 3 is $b$ , which of the following represents the sum of $c$ and 3 in terms of $b$ ?

3b + 3

\frac{b}{3} + 3

b + 3

\frac{b+ 3}{3}

2 solutions

Fd Móòn
Mar 7, 2016

As the product of $c$ and $3$ is $b$ ,
Hence, $c*3 = b$
or, c = $\frac{b}{3}$
or, $c + 3 = (\frac{b}{3}$ +3)

Ashish Menon
Mar 7, 2016

$3×c= b$
$c$ = $\Large {\frac {b}{3}}$

So, $c+3$ = ${\Large {\frac {b}{3}}} + 3$ . $_\square$