Question

40=100/(1+70/x) this question of ch motion but some I solve

Answer 1

40= 100/(1+70/x)

= LCM of 1+70/x
is (x+70)x
now 40×x= x+70
40x-x = 70
39x = 70
x = 70/39

Answer 2

40 = 100/[(1+70)/x]

40×(1+70/x) = 100

40+2800/x = 100

2800/x = 60

x = 2800/60

x = 140/3

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