4/7 of students at a school are boys. If there are 2723 students at the school, how many are girls?
2 answers:
Answer: 1167 girls.
Step-by-step explanation:
Given : Fraction of students at a school are boys=
If there are 2723 students at the school, then by using multiplication operation.
The number of boys in the school=
Now, the number of girls in school= Total students- Number of boys
=2723-1556=1167
Hence, there are 1167 girls.
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Answer: 9 years
Step-by-step explanation:
Let the present age of Ashley be x.
Then the present age of Alfonso =x+8
Five years ago,
Ashley's age = x-5
Alfonso's age = x+8-5 = x+3
According to the question,
Hence, the present age of Ashley =9 years