Maria has lunch at a restaurant for Bill it was $12.25 and Mariah wants to leave a 20% tip what is the reasonable estimate for the amount she should leave for the tip

$3

Step-by-step explanation:

2.45 is 20% so just round up

$2.45

Step-by-step explanation:

Hope this helps!

answer: solve 5\cdot 2^x=2405⋅2  

x

=2405, dot, 2, start superscript, x, end superscript, equals, 240.

solution

to solve for xxx, we must first isolate the exponential part. to do this, divide both sides by 555 as shown below. we do not multiply the 555 and the 222 as this goes against the order of operations!

\begin{aligned} 5\cdot 2^x& =240 2^x& =48 \\ \end{aligned}  

5⋅2  

x

2  

x

​    

=240

=48

​

step-by-step explanation: