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Tems11 [23]
3 years ago
12

for a special concert by a popular band, the concert hall owner decided to charge $20 per ticket for the first "r" rows and $15

for the remaining rows. remember, there are a total of 40 rows with 20 seats in each row and the expense to operate this concert is $275.

Mathematics
1 answer:
Alecsey [184]3 years ago
7 0
R = 16 according to the problem, so the total amount of income will be:
$20*16 + $15*(40 - 16)
= $320 + <span>$15*(24)
= </span>$320 + <span>$360
= $680
that is the income, but the expenses are $275 so the total revenue is the subtraction of those two
total revenue = $680 - $275
= $405</span>
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Mai had $14.50. She spent $4.35 at the snack bar and $5.25 at the arcade. What is the exact amount of money mai has left​
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✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

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❖ Mai has $4.90 left.

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$14.50 - $9.60 = $4.90

~ ʜᴏᴘᴇ ᴛʜɪꜱ ʜᴇʟᴘꜱ! :) ♡

~ ᴄʟᴏᴜᴛᴀɴꜱᴡᴇʀꜱ

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