Question

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10. The scale of a floor plan is 1 : 250. Find the dimensions of a room which measures 2 cm by 1.5 cm on the plan.
11. In a school, the ratio of the number of boys to girls is 5 : 3. If the number of girls is 900, find the number
of boys.​

Answer 1

Answer:

10:ans is 1:250+1point 5×2