kdyer27
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If 35% of a number is 21 and 90% of the same number is 54, find 55% of that number.


How do you do this on Delta Math?It is for 7th grade math.

Respuesta :

profereyes12122

Answer:

Step-by-step explanation:

The number is 60:

Divide the amount and decimal of the percentage to be extracted

Case 1

[tex]\frac{21}{0.35} =60[/tex]

Case 2

[tex]\frac{54}{0.9} =60[/tex]

Now the 55% of this number is:

[tex]60(0.55)=33[/tex]

Hope this helps

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