jimwell spent 4/10's of $20. what fractional part of 20 was left write the answer in decimal form

To find the fraction that Jimwell spent, divide the amount he spent by the total amount:

Spent = (4/10) * $20

To find the fraction that was left, subtract the fraction spent from 1:
Fraction left = 1 - (4/10)

Converting the fraction to decimal form, we have:
Fraction left = 1 - 0.4
= 0.6

Therefore, the fraction that was left is 0.6 or 60%.