Dear Parents, please assist on this question. Tq.
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Before 7u x 3=21u 3u x5 = 15u
Add cats +48 x 5 = 240
After 5px3 = 15p 3px 5 = 15p
So 21u = 15u + 240
6u = 240
u = 40
Number of dogs in pet store at first = 7×40 = 280
(a) Number of cats in pet store at first = 3×40 = 120
(b) Number of cats after adding 48 = 120+48 = 168
To have equal number of dogs to cats in the store, the store must sell 280-168 = 112 dogs