+
= 70 g and the total weight of 10
, 10
and 10
is 3200 g, then what is the weight of
?
A 250 g
B 190 g
C 210 g
D 320 g
a
+
= 70 g and the total weight of 10
, 10
and 10
is 3200 g, then what is the weight of
?
A 250 g
B 190 g
C 210 g
D 320 g