Direction: Read the following Bar graph carefully and answer the following questions.
Bar graph shows three different laptops (IdealPad Slim 3i, IdealPad Gaming 3i and ThinkPad E14) manufactured by Lenovo Company in four consecutive years.
All three types of Lenovo laptops manufactured in 2018 and 2019 together how much more or less than the all three types of Lenovo laptops manufactured in 2017 and 2020 together?
1
1800
2
1500
3
1600
4
1400