I don't understand can someone help please

Answers

Answer 1

Answer: In a whole hour, a half-hour goes by, two times.

In the first half-hour, 7/8 of a gallon leaks out of the pool.
In the second half-hour, another 7/8 of a gallon leaks out of the pool.

In the whole hour, (7/8 gallon + 7/8 gallon) leaks from the pool.

Can you add those two fractions, and make a single number ?

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PLEASE HELP FIRST GETS BRAINLIEST
A. B. C. D.
How many times can 8 go into 46
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If there are 36 performer's in a dance recital and the ratio of men and women are 2:7.How many of the men where performer's??????????????????????

Answers

Ok, so there are 2 men per 7 women so we can just scale up so there are 4 men per 14 women and then 6 men per 21 women but there are 36 performers so we have to keep going till it equals 36 people so 8 men per 28 women = 36 people so 8 men!

Twenty-five teenagers were surveyed about food. Five more preferred pizza than steak. Write and solve system of equations to find out how many preferred pizza.

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Hope this helps! I can resubmit if my hand writing is too bad.

B+7=10
substitution method

Answers

Answer:

B =3

Step-by-step explanation:

B + 7 = 10

-7 -7

B = 3

I hope this helps

2(3x – 5) = 8
What is X?

Answers

multiply 2 x (3x) and 2 x (-5) =8
6x - 10 =8
+10 +10
cancel the 10
6x + 18
divide both sides by 6
6x/6 = 18/6
x =3

Anne has 24 more cards than Devi. Anne finds that 3/5 of Devi's cards are equal to 1/2 of her cards. How many cards does Anne have?

Answers

LET ANNE HAS X NUMBER OF CARDS
LET DEVI HAS Y NUMBER OF CARDS
X-Y= 24 ------EQ 1
3/5Y=1/2X
6Y=5X (cross multiplying)-------EQ 2
FROM EQ 1 WE GET
X=24+Y
substituting the value of x in eq 2, we get
6y=5(24+y)
6y =120+5y
y= 120

NOW, PUTTING THE VALUE OF Y IN EQ 1
X-120=24
X=24+120
X=144
THEREFORE, ANNE HAS 144 CARDS

a=Anne's cards
D= Devi's cards
d+24=a
3d/5=a/2
6d/5=a
6d/5=d+24
6d/5-d=24
6d-5d=120
d=120
a=144

Greta uses 3 cups of pasta fore every 3/4 cup of sauce.how much pasta does she use per cup of sauce

Answers

I may not be correct, but I love fractions, and from what I know.....1/4, hope this helps! ( :

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