Use the formula v=u+at calculate v when:u=10, a=3, t=2.5
2 answers:
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Answer:
Number of boys who attended the community service event = 10
Step-by-step explanation:
Let denotes number of girls and
denotes number of boys.
Twenty-six students attended the community service event.
So,
The number of girls was 4 fewer than twice the number of boys.
Put in
So,
Number of boys who attended the community service event = 10