Question

18)Simplify:(a) (3

0-2

0) x 6

0

(b) (2

2 x2

4) ÷2

3

19) Solve(a) ??

+ 5=25

(b) 2x-40=60

20)A school hall 25 m long and 15 m wide is surrounded by a verandah of

uniform width 4 m.Find the area of verandah.​

Answer 1

Answer:

60 ans and the perimeter ares