The mass of a bag of apples is 600 g. The mass of a bag of lemons is 750 g. <hr> The total mass of a bag of apples and a bag of lemons is <br>= <input min="0" type="number" id ="imp3pg139q2_1" class="lineinput" placeholder="?" /> kg <input min="0" type="number" id ="imp3pg139q2_2" class="lineinput" placeholder="?" /> g.