40%x=4.
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40%x=4.40%x=4.40%x=4.40%x=4.20.4x=4.2x=4.2/0.4x=10.54.2÷0.4=10.50.4=40%0.4Xx=4.2x=10.50.4x=4.2x=4.2/
40%x=4.
40%x=4.
40%x=4.
40%x=4.2
0.4x=4.2
x=4.2/0.4
x=10.5
4.2÷0.4=10.5
0.4=40%
0.4 X x=4.2
x=10.5
0.4x=4.2
x=4.2/0.4
x=10.5
40%x=4.2
x=4.2/0.4
x=10.5
x=4.2/40%
x=4.2/0.4
x=10.5
40%x=4.2
0.4x=4.2
x=4.2/0.4
x=10.5