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iren2701 [21]
3 years ago
8

A contractor bought 6.4 ft2 of sheet metal. He has used 2.1 ft2 so far and has $77.40 worth of

Mathematics
1 answer:
son4ous [18]3 years ago
8 0

Answer:

$18

Step-by-step explanation:

Given:

6.4x - 2.1x = 77.4

Where,

x = cost of sheet metal per square foot

How much does sheet metal cost per square foot?

6.4x - 2.1x = 77.4

4.3x = 77.4

Divide both sides by 4.3

x = 77.4 / 4.3

= 18

x = $18

Sheet metal per square foot cost $18

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5 0
2 years ago
5 is what percent of 23
Eddi Din [679]
5 = what percent of 23

5 = x% of 23

5 = (x/100)*23

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3 years ago
The difference between 6 digits smallest number and 4 digits greatest number is <br>​
oee [108]

Answer:

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Step-by-step explanation:

5 0
2 years ago
Which is bigger 13% or 3/25?
belka [17]
Change 13% as a fraction. It will be 13/100

Now, which is bigger? 13/100 or 3/25
 Cross multiply and 13/100 is bigger.
 
13           3
___   X    ____
100          25    


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The answer is 13/100
6 0
3 years ago
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Can anyone do these? Thanks.
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