Question

с×6=210 с×3=240 210÷а=30 240÷а=30 х÷3=70 х÷3=60

Answer 1

c*6=210
c=210:6
c=35
35*6=210
35=35

c•3=240
c=240:3
c=80
80*3=240

210:a=30
a=210:30
a=7
210:7=30

240:a=30
a=240:30
a=8
240:8=30
8=8

x:3=60
x=60*3
x=180
180:3=60
180=180