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Y_Kistochka [10]
2 years ago
5

Mary read a book that had 4200 pages last summer. If it took her 35 days to finish the book. How many pages did she read per day

?
Mathematics
1 answer:
asambeis [7]2 years ago
5 0
Do 4200/35............
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Patty is making a poster for science class. She spends. 50 minutes on each. Of 2 days. She completes 1/3 of the poster the first
Viktor [21]

Answer:

She has completed 2/3 of the poster

Explanation:

1/3 of the poster the first day

+

1/3 of the poster the next day

1/3 + 1/3 = 2/3

7 0
2 years ago
Plz help thanks sm!!!!
Snowcat [4.5K]

n = a number

2n = twice a number

2n - 7 = seven less than twice a number


4 0
3 years ago
6. A coupon offers $1.00 off the 16-ounce size. Which size is the better<br><br> buy then?
svlad2 [7]

Answer:

Both sizes are better because they cost Same.

Step-by-step explanation:

Consider the provided information.

A coupon offers $1.00 off the 16

            Quantity     Price

Pint           16           $3.98

Quart        32           $5.98

If he gets $1 off for the 16-ounce size. The price will be:

3.98-1=2.98

He needs to pay $2.98 for 16-ounce pint.

Now find which one is better by calculating the unit rate.

\frac{Cost}{weight}=\frac{2.98 }{16}\approx0.186

Therefore, the cost of 1lb would be $0.186

For Quart 32 find the unit rate as shown:

\frac{Cost}{weight}=\frac{5.98}{32}\approx0.186

Therefore, the cost of 1lb would be $0.186

Hence, both of the size are better as the unit rate is same.

4 0
3 years ago
Solve for x X - 1/2 (8 - x) = x + 3(4 - x) - x<br> A) -32/9<br> B) -9/32<br> C) 32/9<br> D) 9/32
Greeley [361]

Option C

x = \frac{32}{9}

<em><u>Solution:</u></em>

x - \frac{1}{2} \times (8 - x) = x + 3(4 - x) - x

We have to solve for "x"

From given,

x - \frac{1}{2} \times (8 - x) = x + 3(4 - x) - x

Solve for brackets

Use distributive property

a(b + c) = ab + ac

Therefore,

x - 4 + \frac{x}{2} = x + 12 - 3x - x

Combine the constants

x + \frac{x}{2} = x - x - 3x + 12 + 4\\\\x + \frac{x}{2} = -3x + 16

Move the variables to left side of equation

x + \frac{x}{2} + 3x = 16

Combine the like terms

2x + x + 6x = 32\\\\9x = 32\\\\x = \frac{32}{9}

Thus option C is correct

3 0
3 years ago
The difference of two positive numbers is 7 and the sum of their squares is 109. Find the numbers.
Ray Of Light [21]

Answer:

Numbers\ are\ 58\ and\ 51.

Step-by-step explanation:

The the numbers are x\ and\ y.

<em>Difference:</em>

<em></em>Difference\ of\ numbers=7\\\\x-y=7....................eq(1)<em></em>

<em>Sum:</em>

<em></em>Sum\ of\ numbers=109\\\\x+y=109...........................eq(2)<em></em>

<em></em>

Solve eq(1) and eq(2).

eq(1)+eq(2)\\\\x-y+x+y=7+109\\\\2x=116\\\\x=58\\\\Now\ from\ equation\ 1\\\\x-y=7\\\\y=x-7\\\\y=58-7\\\\y=51

7 0
3 years ago
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