Rhonda uses a pan balance and metric weights to measure the masses of two large books.
She recorded the weights that she used in the table below.
Note: 1 kg = 1000 g
1-kilogram
weights 500-gram
weights 100-gram
weights 10-gram
weights
Book A 1 0 7 4
Book B 0 3 1 8
Which book has a greater mass? How many grams greater is it? Use the drop-down menus to complete the sentences below.
Choose... book a or book b
book has the greater mass. It is
Choose... 120, 60, 40 or 140
grams greater.