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kaheart [24]
3 years ago
8

4. Jay spent $6.40 tobuy 4 muffins. Howmuch will 9 muffinscost?​

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
5 0

Hello there!

To solve this, you want to find the unit rate (or cost per muffin) and multiply that by 9 to get the cost for 9 muffins.

$6.40 ÷ 4 muffins = $1.60 a muffin

So:

$1.60 a muffin x a total of 9 muffins = $14.40 for nine muffins.

I hope this was helpful! :)

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If three times the larger of two numbers is four times the smaller and the difference between the numbers is 8, then the larger
MaRussiya [10]

Answer:

Larger number = 32

Step-by-step explanation:

Smaller number = x

Larger number = y

y - x = 8    -----------(I)

3y = 4x  ---------------(II)

3y/4 = x

Plug in x = 3y/4 in equation (I)

y - \frac{3}{4}y = 8\\\\\frac{4}{4}y - \frac{3}{4}y = 8\\\\\frac{1}{4}y = 8\\

 y = 8*4

  y = 32

Plug in y = 32 in equation (II)

3y = 4x

3*32 = 4x

4x = 3*32

x = \frac{3*32}{4}

x = 3 *8

x = 24

7 0
3 years ago
Let R be the event that a randomly chosen person lives in the city of Raleigh. Let O be the event that a randomly chosen person
Anit [1.1K]

Answer:

P(O|R)

Step-by-step explanation:

The conditional probability notation of two events A and B can be written as either P(A|B) or P(B|A).

The '|' sign is read as 'given'. So, P(A|B) is read as the probability of event A given event B which implies that it is the probability that event A will occur given that event B has already occurred.

In the question,

Event R = Person lives in the city of Raleigh

Event O = Person is over 50 years old

The statement says, 'given that the person lives in Raleigh' which means that event R has already occurred and we need to find the probability of event O (the randomly chosen person is over 50 years old).

Hence, this statement can be given in conditional probability notation as

P(O|R)

7 0
3 years ago
what is the slope of the line that passes through the point (-20,18) and (30,14)? a-25/2 b -5/2 c-2/5 d -2/25
lyudmila [28]

Answer: A: -25/2

Step-by-step explanation:

4 0
3 years ago
A fruit salad recipe requires 4 cups of grapes per 8 servings. How many cups of grapes are required for 28 servings? A) 6 Cups B
Dafna1 [17]

Answer:

D) 14 Cups

Step-by-step explanation:

4 0
3 years ago
Jerry earns a base salary of 350 per week plus an 8% commission on all sales at his job. Which inequality shows the minimum amou
inysia [295]

Answer:

D

Step-by-step explanation:

8% in decimal form is written out as 0.08, so right away the answer is either C or D.

Then if you have "s" = 1875, you would get:

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That would mean any number greater than 1875 will give you a total more than 500.

Therefore the answer is D.

8 0
3 years ago
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