The costume committee has made 20 costumes. This is 80% of the total number of costumers needed for the school play. How many more costumes do they need to make?
A 5 costumes
B 8 costumes
C 16 costumes
D 25 costumes

Question

22-02-2017
Mathematics

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The costume committee has made 20 costumes. This is 80% of the total number of costumers needed for the school play. How many more costumes do they need to make?
A 5 costumes
B 8 costumes
C 16 costumes
D 25 costumes

Respuesta :

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itsfishhh itsfishhh · Answer 1 · 2017-02-22T19:10:56+01:00

itsfishhh itsfishhh

22-02-2017

You should use part/whole = %/100 and cross multiply. So you will get 20/x = 80/100 (whole is x because we are trying to find what whole is). now you will have 2000=80x. Now you divide 2000/80 and get 25=x. So, there are 25 costumes in total which means they need to make 5 more.

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The costume committee has made 20 costumes. This is 80% of the total number of costumers needed for the school play. How many more costumes do they need to make? A 5 costumes B 8 costumes C 16 costumes D 25 costumes

Respuesta :

Otras preguntas

The costume committee has made 20 costumes. This is 80% of the total number of costumers needed for the school play. How many more costumes do they need to make?
A 5 costumes
B 8 costumes
C 16 costumes
D 25 costumes