The walls in a room are being painted. If 4 cans cover 480 sq ft then how many cans cover 840 sq ft?
2 answers:
ANSWER:
Let the no is cans be x.
On using inverse proportionality,
- 480/4 = 840/x
- 120 = 840/x
- x = 840/120
- x = 7.
Hence, 7 cans cover 840sq ft.
Answer:
7 cans
Step-by-step explanation:
You will first have to divide 480 by 4
The anwser is 480 ÷ 4 = 120
Then you will have to 840 ÷ 120 = 7
<h2>
The answer is 7 cans </h2>
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