Describe how to add two decimals using a vertical format

just drop the decimal.Put the numbers in a vertical column, aligning the decimal points. Add each column of digits, starting on the right and working left. If the sum of a column is more than ten, "carry" digits to the next column on the left. Place the decimal point in the answer directly below the decimal points in the terms.

Step-by-step explanation:

 10.3

+10.7

 21.0

26 is 33.33% of 78

step-by-step explanation:

26 is what percent of 78?

26 is p% of 78

equation: y = p% * x

solving our equation for p

p% = y/x

p% = 26/78

p = 0.3333

convert decimal to percent:

p% = 0.3333 * 100 = 33.33%