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Nutka1998 [239]
2 years ago
6

A cake has a mass of 2.5kg. It contains 275g of fruit. What percentage of fruit is there in the cake

Mathematics
2 answers:
Travka [436]2 years ago
8 0
The answer is:  "11 %" . 
__________________________________
There is 11% of fruit in the cake.
______________________________
Explanation:
____________________________________

275g is what percent of 2.5 kg?  

First, convert "275 g" into "kg".

Note the exact conversion:  1000 g = 1 kg .  

So 275 g = (275/1000) kg  = 0.275 kg .


0.275 kg = (n/100) * 2.5 kg ; 

→ (n/100) * 2.5 = 0.275 ;
____________________________
Divide each side by "(2.5)" 
______________________
→ (n/100) = (0.275) / (2.5) ;

→ (n/100) = 0.11 ;

Multiply each side by "100" ; 

n = 11 . 
________________________________________
The answer is:  11 % .
________________________________________
postnew [5]2 years ago
8 0
275g=0.275kg
___________
2.5kg———100%
0.275kg—x.
___________
2.5•x=0.275•100
2.5x=27.5
x=11%
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