To find how many tenths are equivalent to four-fifths, you can convert four-fifths into tenths. Since four-fifths is equal to 8/10, there are 8 tenths that are equivalent to four-fifths. Therefore, four-fifths is equivalent to 8 tenths.
7 fifths
There are 40 tenths in four wholes. Since one whole is equivalent to ten tenths, you multiply the number of wholes (4) by 10 to get 40 tenths.
Eight
26 of them.
There are 4 of them.