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aalyn [17]
3 years ago
5

Gerri spends 1/21 of her money on pencils and 2/21 on paper. What fraction of her money does she spend. Give the answer in simpl

est form.
A. 1/7
B. 3/20
C. 4/21
D. 8/7
Mathematics
2 answers:
mylen [45]3 years ago
6 0
I would say A. Because if you add the fractions and the divide by 3(because I added the factions) the denominator is 7 and the numerator is 1 (idk ¯\_(ツ)_/¯ I think is right)
BigorU [14]3 years ago
3 0

Answer:

Gerri spends 1/7 (A).

Step-by-step explanation:

If Gerri spends 1/21 of her money on pencils and 2/21 of her money on paper, adding these two fractions together will give us the total fraction of her money that she spent.  Since 1/21 and 2/21 have the same denominator, we can add the numerators to get 3/21.  However, fractions must always be in simplest form, meaning if the numerator (top number) and denominator (bottom number) can both be divided evenly by the same factor, then the fraction can be simplied to lower numbers.  In this case the number 3 and the number 21 can both be divided evenly by 3:  (3÷3)/21÷3) = 1/7.

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A line has a rise of 3 and a run of 12. find the slope of the line. type a numerical answer in the space provided. if necessary,
muminat
The slope is always going to be rise over run so the answer is 3/12 but in simplest form it is 1/4
7 0
3 years ago
A trailer hold 1469 shingles. How many trailers would you need to hold 4000 shingles? Remember to use units; in this case, trail
uysha [10]

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6 0
3 years ago
Antonio’s pizza charge $8.00 for a large pizza and $1.50 for each topping zine’s pizzeria charge $10.00 for a large pizza and $1
hichkok12 [17]
In this problem you would set these two equations equal to each other.
$8+ $1.50x = $10+ $1x 
After this you would simplify the equation to isolate x (being the number of toppings you put on the pizzas) 

$8+ 1.50x =$10+ 1x
-8              -8
----------------------------
$1.50x = $2 + $1x
-1x             -1x
--------------------------- 
$.50x/.50 = $2/.50
_______________
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5 0
3 years ago
Part A: Find the LCM of 5 and 12. Show your work. (3 points)
diamong [38]

Answer:

Part A: 60

5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60.

12, 24, 36, 48, 60.

---------------------------------

Part B: 9

81 / 72 = 9

----------------------------------

Part C: 9 (8 + 9)

---------------------------------

GCF of 72 and 81 is 9...

Divide 72 by 9 and get 8.

Divide 81 by 9 and get 9.

To check multiply 9 with 8, and multiply 9 by 9.

5 0
2 years ago
Plz help me with 9 and 10 im giveing 10 points to who ever helps me, and hurry plz QUICK
mr Goodwill [35]
G= 50 for 9 and for 10 p=4

Good luck
3 0
3 years ago
Read 2 more answers
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