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solniwko [45]
3 years ago
13

The walls in a room are being painted. If 4 cans cover 480 sq ft then how many cans cover 840 sq ft?

Mathematics
2 answers:
Papessa [141]3 years ago
6 0

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.

solong [7]3 years ago
5 0

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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