Excel Busn Math 31: Increase & Decrease Math Problems

See how to solve Increase and Decrease (Rate and Percentage) Business Math Word Application Problems.
Excel math formulas. Rate, Rate Of Change, Percentage Of Change, Increase, Decrease, Percentage Math Problems.

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[thuynguyenable]

Dear ExcellsFun,

What about another solution below:-

(3450+4350)+35%=100%  7800=65% ????=35%

So his original savings will be (35%*7800)/65%=$4200.

[ExcelIsFun]

This is a false statement:

(3450+4350)+35%=100%

[thuynguyenable]

Dear ExcellsFun,

I am just a bit confused that % in many your videos can be the Rate & ROC. When is % Rate and when is % ROC? Does that depend on different senarios? Thanks again for helpful videos.

[ExcelIsFun]

When you download the Excel workbooks, also download the pdf files with my hand written notes. The notes have pictures that I have drawn that may help.

ROC is when something goes up or down. 100 goes to 110. The amount went up by 10 (amount of change is 10). the ROC = 10/100 = .1 or 10%

Rate involves the two full parts. for example 110/100 = 1.1. Rate can also be thought of as "part compared to whole". (End part / beg part).

[ExcelIsFun]

Not only that, but if you rewatch the video, I show the drawings that I made that help to differentiate between ROC and RATE.

[ExcelIsFun]

Dear kennysyla ,

Thanks!

--excelisfun

[kennysyla]

roll on the floor laughin.rofl

[ExcelIsFun]

Dear ksgomez ,

I am glad that the videos are fun!

What does ROFL mean?

--excelisfun

[ksgomez]

Hey man. You make excel math fun. kudos to you. fences comment had me ROFL.