How does simple
interest show proportional reasoning and
relate to the percent equation?

Simple interest show proportional reasoning and relate to the percentage equation.

means,

Similarly,

when a percent gets multiplied by total it gives the number of parts taken means,

Here we can see that 3/15 and 6/44 are proportions, since their cross products are equal.

Percent means hundredths or per hundred and is written with the signal, %. Percent is a ratio where we compare numbers to 100 which means that 1% is 1/100.

Therefore, simple interest show proportional reasoning and relates to the percentage equation.

Learn More about, simple interest, refer:

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Use cross product to determine if the two ratios form a proportion. Here we can see that 2/16 and 5/40 are proportions since their cross products are equal. Percent means hundredths or per hundred and is written with the symbol, %. Percent is a ratio were we compare numbers to 100 which means that 1% is 1/100.

Step-by-step explanation:

-18 degrees is the answer : )