Question

Jika p:q = 4:5 dan p x q = 500, maka nilai q adalah

Answer 1

P/q = 4/5
p = 4/5q

p x q = 500
4/5q (q) = 500
4/5 q² = 500
q² = 5/4 x 500
q =√625 = 25

Answer 2

P x q =500
4a x 5a = 500
20a2= 500
a2 = 500 : 20
a2 = 25
a=5
Q = 5a
   =5 x 5
   =25