Answer:
13a
Step-by-step explanation:
9a + 3a + a = 13a
Answer:
1000( l + b)
Step-by-step explanation:
2(500l + 500b)
=500 (2(l+b))
=1000
Answer:
18 cm
Step-by-step explanation:
The ratio of Actual length (L) to scale length is 27 : 3.6
27 ÷ 3.6 = 7.5
Therefore, actual width (W) = scale width x 7.5
= 2.4 x 7.5
= 18 cm