Answer:
1/5 = 3 x a
Explanation:
If a were the subject,
a = 1/5 ÷ 3
a = 1/5 x 1/3
a = 1/15
this one 1/5 = 3 x a
1/5 =3×a (divied both side by 3)
a= 1/5 ÷3
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