10) 3(n + 3) - 9 = 15 solve for n
2 answers:
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Since we’ve been given a ratio, 3:8, we can convert that into a fraction and form an equation from it:
=
The reason the numerator on the second fraction is 27/3 is because the team scored 27 points, not 27 baskets.
Simplify (Also replace the ? with an unknown variable):
=
Cross multiply:
3*n = 9*8
Simplify:
3n = 72
Divide both sides by 3:
n = 24
The team had 33 three point tries, 9 successes, and 24 fails.
-T.B.