You can write two hundred forty-one and five tenths as: 241.5.
Remember that place value is always: Thousands, Hundreds, Tens, Ones [decimal] Tenths, Hundredths, Thousandths.
One hundred and sixty and five tenths is 160.5
0.4
300.5
Three hundred and five tenths
525.5 = five hundred twenty-five and five tenths .
three hundred and two and five tenths
Five hundred ninety-one and five tenths.
Four hundred and two thousand, five hundred.
Three hundred fifty-five and three tenths.
two hundred (200) five tenths is also hundreds so the answer is (200+500=700
five thousand four
Six hundred fifty and five tenths.