Explain how mental math can be used to estimate a 15% tip on a taxi ride that costs $23.25.
I'd like if someone can respond asap. The lesson for this didn't make sense to me which is why I'm asking for it, I don't do this for everything, it's only for when I really need it. ^^
Thank you so much if someone answers!
well
I would say ten percent is about 2.33
another 5% is about half of that or 1.15
the sum is about15% or about 2.5+1.0 = $3.50
the real answer from your cell phone is .15* 23.25 = 3.49 close enough :)
alright, thank you, that helps ^^
You are welcome.
To estimate a 15% tip on a taxi ride that costs $23.25 using mental math, you can follow these steps:
1. Start by finding 10% of the total cost. To do this, you can move the decimal point one place to the left. In this case, 10% of $23.25 is $2.325.
2. Next, calculate half of the 10% value to find 5%. To do this, divide the 10% value by 2. In this case, half of $2.325 is $1.1625.
3. Finally, add the 10% value and the 5% value together to get the estimated tip amount. In this case, $2.325 + $1.1625 = $3.4875.
So, the estimated 15% tip for a taxi ride that costs $23.25 is approximately $3.49.
To summarize the steps for mental math:
1. Find 10% by moving the decimal point one place to the left.
2. Divide the 10% value by 2 to find 5%.
3. Add the 10% value and the 5% value together to find the estimated tip amount.
Keep in mind that this method provides an estimated tip amount which may not be exact. If you prefer a more accurate calculation, you can use a calculator or a tip calculator app.