Mathematics, 27.03.2021 04:10 Serenitybella
4. A concert hall has its seats arranged so that each row has thirty more seats than the row in front of it.
a) If the hall has 20 rows and the third row has 120 seats how many seats are in the last row?
b) How many seats are there altogether?
Please help me. I can't figure out how to solve this properly.
Answers: 1
Mathematics, 21.06.2019 12:30
Seth practice piano for 1 1/3 hours on saturday and 5/6 hour on sunday for much longer did he practice on saturday than on sunday?
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William invested $5000 in an account that earns 3.8% interest, compounded annually. the formula for compound interest is a(t) = p(1 + i)t. how much did william have in the account after 6 years? (apex)
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4. A concert hall has its seats arranged so that each row has thirty more seats than the row in fron...
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