Question

The cost of two red balls and five blue balls is ₹160. Then find the correct equation for this situation among the given options.
$(r:\text{price of one red ball})$
$(b:\text{price of one blue ball})$

• A. $2r+5b=₹160$
• B. $3r+5b=₹160$
• C. $r+5b=₹80$
• D. $2r-5b=₹160$

Answer 1

The correct option is A $2r+5b=₹160$

Given:

• Cost of one Red ball = $r$.
• Cost of one Blue ball = $b$.

So, the required algebraic equation will be $2r+5b=₹160$