Question

You recycle $(6\mathrm{c}+10)$ water bottles. Your friend recycles twice as many water bottles as you recycle. Which expression represents the amount of water bottles your friend recycles?

• A. $3\mathrm{c}+5$
• B. $12\mathrm{c}+10$
• C. $12\mathrm{c}+20$
• D. $6\mathrm{c}+12$

Answer 1

The correct option is C

$12\mathrm{c}+20$

The number of water bottles recycle by me $=(6c+10)$

And friend recycles twice as many water bottles recycled by me

So, friend recycles $=2(6c+10)$

$=12c+20$

Hence, the correct option is $\left(\mathrm{C}\right)$