In the last month, the ratio between Davis's monthly expenditure and his monthly salary was 3 : 7. What percentage of his monthl
y income did he save last month?
1 answer:
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%
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