Two fafactors of 20 add up to 9 what are they?
Hey There!Two factors of 20 that add up to nine are 4 and 5, the factors are 4 and 5 because you could multiply 4*5, the also add up to 9, 4+5. In conclusion, the factors that add up to 9 are 4 and 5Hope I Helped ;)