Steffan is four and three tenths feet tall and Gretchen is three and six tenths feet tall. How tall are they in total?
If you add, it will be seven and nine tenths
Pradyun is correct. But who is this "Unkown
ADD them up : )
To find the total height of Steffan and Gretchen, you need to add their heights together.
Steffan is four and three tenths feet tall, which can be written as 4.3 feet.
Gretchen is three and six tenths feet tall, which can be written as 3.6 feet.
To add these heights together, align the decimal points and add the digits:
4.3
+ 3.6
------
7.9
Therefore, Steffan and Gretchen are a total of 7.9 feet tall.