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Anvisha [2.4K]
2 years ago
6

David brought a variety pack of delicious donuts for his daughters Amy & Anna. Amy ate 2/3 of the pack and Anna devoured 1/4

of them. Finally David ate the remaining one donut. Find out the total number of donuts in the pack.
Mathematics
1 answer:
Naya [18.7K]2 years ago
6 0

Answer:

12

Step-by-step explanation:

Let the total number of donuts in the pack be x.

Amy = 2/3x

Anna = 1/4x

David = 1

x - 2/3x - 1/4x = 1

Find common denominators for 2/3 and 1/4

The common denominator is 12

2/3 * 4/4 = 8/12

1/4 * 3/3 = 3/12

x - 8/12x - 3/12x = 1

x - 11/12x = 1

1/12x = 1

x = 12

You can always check

Amy = 8

Anna = 3

So David must equal to 1

Hope this helps :)

Have an awesome day!

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Please help me wit dis no one would help and i really need help
lukranit [14]

(4) 64 tiles,   (5) \mathrm{N}=\mathrm{s}^{2},   (6)  N^{2}=S^{4}

Step-by-step explanation:

Given data: Side length of square tile = 1 ft

(4)  Side length of square pool = 8 ft

\text {Number of tiles} =\frac{\text { Area of square pool }}{\text { area of square tile }}

=\frac{8 \times 8}{1 \times 1}

= 64

Hence 64 tiles needed for the border.

(5) Suppose number of square tiles be N and side of square tub is s ft.

So, N = \frac{s \times s}{1 \times 1}

\Rightarrow N=s^{2}

So, the expression is \mathrm{N}=\mathrm{s}^{2}.

(6) The equivalent expression is \mathrm{N}^{2}=\mathrm{S}^{4}.

5 0
2 years ago
A sales man is paid a basic wage of $225 per week. In addition he is paid a commission of 3% on the value of goods he sells abov
mihalych1998 [28]

Answer:

Commission = $375

Total earnings = $600

Step-by-step explanation:

He gets 3% of any sale he makes above %5500 which means his commission received on this sale is;

= 3% * $12500

= \frac{3}{100} * $12500

= 3* 125

= $375

This means his total earnings for the week will be the basic wage plus his commission

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3 0
3 years ago
Help me with writing this exression please
k0ka [10]

Answer:

3 * n^(1/6)

Step-by-step explanation:

The square root can be written as ^ 1/2

The cube root can be written as ^ 1/3

So the sixth root can be written as ^ 1/6

3 * n^(1/6)

5 0
3 years ago
How do you write 0.045 as a reduced fraction
Anvisha [2.4K]
0.045 = 45/1000

Divide top and bottom by their greatest common factor.
It looks to me as though the greatest common factor of  45  and  1,000  is  5 .
Divide top and bottom by  5  and we have  <u>9/200</u> .  That's the simplest form.
6 0
3 years ago
Read 2 more answers
14.
ddd [48]

Answer: Yes the win level is greater than 1/2

Step-by-step explanation: 32/52 is greater than 1/2

8 0
2 years ago
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