yoongnzl
10.07.2021 •
Mathematics
There are 5 more girls than boys in a class. The girls are 60 percent a. How many pupils are in the class?
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Ответ:
25.
Step-by-step explanation:
Let the number of pupils be x, then:
there are 0.6x girls and 0.4x boys.
From the given information:
0.6x - 0.4x = 5
0.2x = 5
x = 5/0.2
= 50/2
= 25.
Ответ:
thank you
Step-by-step explanation: