<u>Answer:</u>
1 cm : 10.5 km
<u>Step-by-step explanation:</u>
We are given that two towns are 31.5 km in real and are 3 cm apart on a map and we are to find the scale of the map.
For this, we can use the ratio method.
Therefore, the scale of the map would be 1 cm : 10.5 km.
Answer:
Lucy sews dresses in 1 hour.
Step-by-step explanation:
Given:
Lucy sews of a dress in
hour.
She sews at constant rate.
We need to find the number of dresses she makes in 1 hour.
In hour =
dress
So in 1 hour = Number of dresses in 1 hour
By using Unitary method we get;
Number of dresses in 1 hour=
Hence Lucy sews dresses in 1 hour.
Circumference of a circle = (diameter)
Diameter = 23 in.
Plug in the diameter = 23 in in the formula of circumference given above
Circumference of a circle = (23)
Circumference of a circle = 23
= 3.14
Circumference of a circle = 23 (3.14)
Circumference of a circle = 72.22 in
Option D is the answer