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Naddik [55]
3 years ago
11

What is the answer to # 7 and how did you solve it? Please Help!!

Mathematics
1 answer:
omeli [17]3 years ago
6 0
He has 30 gallons left
5/8 = 50/80
80-50=30
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A boy has twice as many nickels as he has pennies, and he has 5 less dimes than nickels. If he has $4.46 in all, how many coins
Zarrin [17]
N=2p
n/2=p

n-5=d

10d+5n+1p=446
subsitute n/2 for p
subsitute n-5 for d
10(n-5)+5n+n/2=446
times 2 both sides
20(n-5)+10n+n=892
expand
20n-100+10n+n=892
31n-100=892
add 100 both sides
31n=992
divide both sides by 31
n=32

subsitute back

n/2=p
32/2=16=p


n-5=d
32-5=d=27


27 dimes
16 pennies
32 nickles
7 0
2 years ago
The items Matt ate at dinner cost m dollars. He added 6.5% to the cost of dinner for sales tax. Matt paid $25 using a gift card
Artyom0805 [142]

Answer:

there isn;t anything posted underneath

Step-by-step explanation:

7 0
3 years ago
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You are downloading songs to your mp3 player the ratio of pop songs to rock songs is 5 to 4 you download 40 pop songs how many r
dmitriy555 [2]
The ratio of pop songs to rock songs you download is 5:4, and 40 are pop songs. You want to find out how many rock songs there are.
First, add the ratios together: 5+4=9. This means that 9 will be your denominator, so 5/9 songs are pop and 4/9 songs are rock.
Now you know that pop songs account for 5/9 of the songs, this means that 40 is 5/9 of the total songs. 
To find out how much 4/9 is, you need to divide 40 by 5 to get 1/9 and times that number by 4 to get 4/9:
40÷5=8×4=32 songs are rock songs   
7 0
3 years ago
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What is the ratio of boys to girls, in lowest terms, if the number of boys is 45 and the number of girls is 33?
Nastasia [14]
It is 15/11 i hope i'm right


5 0
3 years ago
Kis between J and M. Lis
Dmitry_Shevchenko [17]

Answer:

MN

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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