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3 votes
Hey peeps my last one for today (I hope)
only answer if know them both

Hey peeps my last one for today (I hope) only answer if know them both-example-1
User Daynelle
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8.3k points

1 Answer

2 votes
combine like terms
b + 1.5b + 3 + 15 + 2b - 9 = 90
4.5b + 9 = 90

solve
4.5b + 9 = 90
4.5b = 81
b = 18

answer
first: 4.5b + 9 = 90
second: 18 students
User Tom Kerr
by
8.3k points

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