0-20W vs. 05-30W oil usage

What is your question?

Can 0-20W oil be replaced by 05-30W oil ?? 50,000 miles on car, Oil change shop put in 05-30W oil according to their ticket. In warm climate {Fla. only use for long hard drives}

How long has your 2014 Lexus RX350 had this problem?

3 days