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AnnyKZ [126]
3 years ago
14

There are 800 students at Prestfield School. 45% of these 800 students are girls

Mathematics
1 answer:
balandron [24]3 years ago
8 0
10%= 80
5%=40
80 x 4= 320
320+40=360

the answer is 360
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Sarah bought 3 1/2 pints of blueberries to make jelly. She ate 3/4 of a pint of berries on her way home. How many pints of berri
AnnyKZ [126]

Answer:

11/4 or 2.75 pints

Step-by-step explanation:

We want to find the difference between the original amount of blueberries and the amount she ate

original amount-amount ate

3 1/2 -3/4

To subtract, we need common denominators

The common denominator of 2 and 4 is 4

3 1/2=7/2

Multiply by 2/2 to get a common denominator of 4

7/2*2/2=14/4

Now, we have common denominators and can subtract

14/4-3/4

Subtract the numerators, and leave the denominators as 4

11/4 =2.75

She has 11/4 or 2.75 pints left

8 0
3 years ago
It costs $3 to bowl a game and $2 for shoe rental. a. Write an expression for the total cost (in dollars) of $g$ games. Expressi
Semmy [17]

Answer: a. Total cost = 3g+2

b. The total cost of 8 games is $26.

Step-by-step explanation:

Given: Cost to bowl a game = $3

Shoe rental charge = $2  (One -time charge)

Total cost = (Cost to bowl a game) x (Number of games)+ (Shoe rental charge )

Let g= number of games, then the expression to find the total cost will be :

Total cost = 3g+2

To find the total cost of 8 games, put g=8, we get

Total cost = 3(8)+2

= 24+2 = $26

Therefore , the total cost of 8 games is $26.

7 0
2 years ago
Marigold read the same number of books each month during the first half of the year.she read 30 books in all. write an equation
ivann1987 [24]
B=30 divided by 6
The answer is 5.
6 0
3 years ago
Can someone help me I can't remember how to do ratios
omeli [17]

3 casseroles feeds 15 people

The ratio is 3:15

If you divide each of those by 3, youll find that 1 casserole feeds 5 people

1 : 5 is the ratio.

Divide 30 by 5 = 6

6 casseroles feeds 30 people.

6 : 30

35 divided by 5 = 7

7 casseroles feed 35 people

7 : 35

5 0
3 years ago
Please help me due today
Sati [7]

Answer:

1) C. (3, 5)

2) B. Counterclockwise turn 90 degrees about the origin

3) A. C' (0, -2)

Step-by-step explanation:

i got u bro

5 0
3 years ago
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