From beginner to expert, IDNLearn.com has answers for everyone. Our experts provide prompt and accurate answers to help you make informed decisions on any topic.

Sally is counting her Christmas tree lights. • She has between 500 and 1000 lights. • The hundreds digit of this numbers is a multiple of 3. • The total of all the digits is 10. How many lights could Sally have? See if you can find all 7 possibilities.​