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Charlie’s garage has a rectangular floor space. Its length is 3 times its width. Charlie extends the width of his garage to 6 m, providing a
Question
Charlie’s garage has a rectangular floor space. Its length is 3 times its width. Charlie extends the width of his garage to 6 m, providing a floor area of 45 m2. what is the percentage
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Mathematics
4 years
2021-09-04T01:42:51+00:00
2021-09-04T01:42:51+00:00 1 Answers
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Answer:
The percentage change is 140%
Step-by-step explanation:
Given
Required
The percentage increment
The length remains constant because only the width is extended.
The new area is:
Make L the subject
Substitute values for A and W
Calculate the initial width:
Make W1 the subject
So, the initial area is:
The percentage change in area is:
Express as percentage