_______________(

) _ _ _ _ _ _ _ _ _ _ _ _ = number of instruments repaired.

(2) To build a road, 60% of it has been built, which is exactly 540 meters. How long is this road?

_______________(

) _ _ _ _ _ _ _ _ _ _ _ _ _ = number of meters maintained.

(3) There are 250 boys in Hope Primary School, with 20% more girls than boys. How many girls are there?

_______________(

) _ _ _ _ _ _ _ _ _ _ _ = Number of girls

(4) There are 300 girls in Hope Primary School, 20% more than boys. How many boys are there?

_______________(

) _ _ _ _ _ _ _ _ _ _ _ = Number of girls