The consistency rule applies for numbers applies to number that measure "like" items and that are in the "same area of the transcript." It does not say that all numbers in the same sentence have to look alike.
...There were 4 boys and 15 girls.
...There were 15 girls in four cars. ...There were two of us when it started at 2:00. ...We ordered 12 burgers, 15 hotdogs, and 4 cheese steaks. Happy punctuating! Margie
...There were 4 boys and 15 girls.
...There were 15 girls in four cars. ...There were two of us when it started at 2:00. ...We ordered 12 burgers, 15 hotdogs, and 4 cheese steaks. Happy punctuating! Margie