If p:q = 3: 4 and x:y = 7:5 then (10px - 6qy/5qx - 4py) = ?
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Answer:1.125
Step-by-step explanation:
p/q = 3/4 ; x/y = 7/5
4p = 3q; 5x = 7y
(10px - 6qy)/(5qx - 4py) = 2*(5px - 3qy)/(5qx - 4py)
= 2*(7py - 4py) / (7qy - 3qy)
= 2*(3py)/(4qy)
= 3p/2q
=3*(3p)/3*(2q)
= 9p/8p
=9/8
=1.125
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