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riadik2000 [5.3K]
3 years ago
10

Louisa paid $12.25 for books at a yard sale.She spent $2.50 on a hardcover book,and the rest 13 softcover books. Each of the sof

tcover books cost the same. What was the cost of a single softcover book?
Mathematics
2 answers:
damaskus [11]3 years ago
4 0
12.25=2.5+13x

12.25-2.5=9.75

9.75/13=.75

Louisa paid 75¢ for every soft cover book.
kumpel [21]3 years ago
4 0
Well that's easy. all you have to do is minus $2.50 from $12.25 which you would get $9.75. then divide that by 13 and you will get .75 so 1 book cost 75 cents
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Need help ASAP please
Yuliya22 [10]

Answer:

$2.20

Step-by-step explanation:

180÷48= 3.75

5.95-3.75= 2.20

8 0
2 years ago
Olve. Do your work on a separate she
Mazyrski [523]

Answer:

Step-by-step explanation:

2 coins are 0.25 = 50 cents. That leaves 92-50 = 42 cents and 5 coins to go.

The only way to get 2 cents is to have 2 pennies. That leaves 40 cents and 3 coins to go.

The only way to get 40 cents with 3 coins is 1 quarter, 1 dime, and 1 nickel.

So you have 3 quarters = 75 cents.

2 pennies = 2 cents.

1 dime = 10 cents.

1 nickel = 5 cents.

92 cents total and 7 coins.The only way to get 40 cents

5 0
3 years ago
Read 2 more answers
Are 2/5 4/10 6/15 and 8/20 proportional?
Over [174]
Yes, since you can multiply 2/5 numerator and denominator to get the rest of the fractions, it makes them all equivalent.
5 0
3 years ago
Read 2 more answers
If P( A or B) = 2/5, P(B)=1/4 and <br> P( A and B) = 1/10 find P(A)
natulia [17]

Answer:

p(a) = -3/20

Step-by-step explanation:

p ( a +b) = p(a)+p(b)

1/10= p(a) +1/4

1/10 - 1/4 = p(a)

p(a) = -3/20

5 0
3 years ago
Some of the following integers are prime. Compute the sum of the prime integers in the list. (a) 197 (b) 497 (c) 1111 (d) 2111 (
spin [16.1K]

The sum of the prime integers in the list is 10158.

<h3>What are Prime Numbers ?</h3>

The numbers that are divisible by 1 or itself is called a Prime Number.

The sum of two prime numbers is not a prime number

The given prime numbers are

197 , 497, 1111 ,2111 , 2643 , 3599

=197+ 497+1111+2111+2643+3599

= 10158

The sum of the prime integers in the list is 10158.

To know more about Prime Number

brainly.com/question/9315685

#SPJ1

4 0
2 years ago
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