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leonid [27]
3 years ago
7

In a class of 24 students,75% brought back their permission slips for a trip. How many students is this?

Mathematics
2 answers:
zhannawk [14.2K]3 years ago
7 0
The correct answer is 18 students
enyata [817]3 years ago
5 0
18 students.
x/24=75/100
(cross multiply 24x100=1800)
then you're left with 100x=1800 so you divide 100 by both sides and get 18
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Belinda eats 40 percent of the cake and Graham eats 25 percent of the remainder.
d1i1m1o1n [39]

Answer:

35%

Step-by-step explanation:

40%+25%=65%

100%-65%=35%

3 0
3 years ago
How do i solve this?
amm1812
2x+57+61=180
2x+118=180
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7 0
3 years ago
Mrs. treble charges her music students $25 per lesson plus a recital fee of $50. How many lessons can a student take if he/she d
Brilliant_brown [7]

Answer:

2 lessons

Step-by-step explanation:

$25+$50=$75

$25+$50=$75

$75+$75=$150

$150 for 2 lessons not passing the budget of $175

7 0
3 years ago
(a + b)(a ² - ab + b ²) Please help!
kvasek [131]
Hey there :)

( a + b )( a² - ab + b² )
Let us distribute ( a + b )

a ( a² ) + a ( - ab ) + a ( b² ) + b ( a² ) + b ( - ab ) + b ( b² )
a³ - a²b + ab² + a²b - ab² + b³

We can simplify further:
- a²b + a²b = 0
ab² - ab² = 0

a³ + b³

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4 0
3 years ago
Read 2 more answers
A rectangular auditorium seats 1344 people. The number of seats in each rows exceeds the number of rows by 20. Find the number o
Tasya [4]
Let the number of rows be x

rows = x
seats in each row = x + 20

total seats = 1344
x (x + 20) = 1344
x^2 + 20x - 1344 = 0
(x + 48)(x - 28) = 0
x = -48  (rejected, answer cannot be negative) or x = 28

Therefore,
x = 28 
x + 20 = 48


Check:
Row = 28
Numbers of seat per row = 28 + 20 = 48
28 x 48 = 1344 (Correct)
 
Ans:There are 48 seats per row 
8 0
3 years ago
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