She halved "fifty", to get twenty five, then added ten to get thirty five.
300.5
0.0135
Six and seven hundred thirty-five ten-thousandths.
Ten percent of thirty is three.
8 hours
Ten hours and thirty five minutes or so.
35.0022 is thirty-five and twenty-two ten-thousandths.
10 hours and 30 minutes.
Thirty-five
17 hours
400 minutes.
0.0035
Thirty-five ten thousandths (0.0035) in standard form = 3.5 × 10-3
Thirty-five people
.0035
.351