Problem: john purchased 1370 large bottles at $ 1.99 per bottle and 690 small bottles at $ 1.50 per bottle . what was the approximate average price paid per bottle ?
Rationale: "( 1370 * 1.99 + 690 * 1.50 ) / ( 1370 + 690 ) = ~ 1.83 - option ( e )"
annotated_formula: divide(add(multiply(1370, 1.99), multiply(690, 1.50)), add(1370, 690))