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Miss Yeung
Questions and answers by visitors named
Miss Yeung
Questions (4)
There are 180 girls in a kindergarten and the number of girls is 20% more than that of boys.
(a) Find the number of boys in the
1 answer
10 views
In a department store, the total cost of the 30 audio systems, S51000. If each audio system is sold at 15% off, the department
1 answer
11 views
P(2,3), Q(2,7) and R are three points on a rectangular coordinate plane. Given that the area of triangle PQR is 20 square units,
1 answer
8 views
C is translated horizontally to D, such that angle BDC is 90 degree
1 answer
8 views
