math word problem, need help

Question

An oddie number is a 3-digit number with all three digits odd. How many oddie numbers are divisible by 3?

Answer 1

the 3 digits must sum to a number divisible by 3, for the 3 digit number to be divisible by 3

333

339

351

315

357

375

393

399

8 oddies starting with 3

111

153

135

171

159

117

195

177

8 starting with 1

513

531

537

573

519

591

579

597

555

9 starting with 5

711

717

771

735

753

777

759

795

8 starting with 7

999

915

951

957

975

939

993

933

8 starting with 9

at least 41 or so total