Answer: 57%
Step-by-step explanation:
Davis's monthly expenditure and his monthly salary was 3 : 7.
This means that for every $7 he received, he spent $3 out of it.
The amount he saved is therefore:
= 7 - 3
= $4
For every $7 received, he saved $4.
Percent = 4/7
= 57%
Answer:
126000
Step-by-step explanation:
20×70×90
Multiply 20 and 70 to get 1400.
1400×90
Multiply 1400 and 90 to get 126000.
126000
Answer:
Step-by-step explanation:
Explanation:
This might not be how you are supposed to do it but,
We can see the two triangles are similar because AA similarity.
We know that the sides are proportional so we can make:

We get,

Because sides can't be negative, x = 2/3