A pack of coffee is placed on a triple-beam balance scale and weighed.
The image below shows its weight, in grams.
0
Riders
0
20
100
40
200
60
300
80
400
0 1 2 3 4 5 6 7 8 9
100g
500
10g
Find the weight of the pack of coffee by carefully
determining the reading of each of the three beam
scales and adding these readings.
grams
PERRE
