Question

The relation between price of bananas $\left(b\right)$ and quantity of bananas bought $\left(q\right)$ is given as: $b=9q-11$
$\text{Find the value of 'b' if value of 'q' is 5.}$

• A. 16
• B. 25
• C. 34
• D. 36

Answer 1

The correct option is C 34

Following the given relation,
$b=9q-11$
$\Rightarrow b=9\times 5-11[\because q=5]$
$\Rightarrow$ $b$ = 45 - 11
$\Rightarrow$ $b$ = 34