What is five ones and eight tenths is it greather less or equal to fifty eight tenths?

Five ones and eight tenths = 5.8
fifthy eight tenths = 5.8
Now, which is greater.
Five ones and eight tenths shares the same value with fifty eight tenths because the value of their decimals are both tenths and the value of their whole number are both ones.
=> five ones and eight tenths = 5 ones and 8 tenths
=> fifty eight tenths = 5.0 and .8 tenths
Thus they are both equal in value despite of its different way of expression

How many desks and whats the price?