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miss Akunina [59]

3 years ago

14

Ms. Fry started walking as her New Year’s resolution. She calculated that she can walk a 1/2 mile in 1/4 of an hour. What is her

walking rate in miles per hour?

1 answer:

Natalija [7]3 years ago

6 0

Answer:

2 miles per hour

Step-by-step explanation:

1/4 x 4 = 1

1/2 x 4 = 2

1/4 is a quarter of 100, so you have to multiply it by 4 to get 100% or 1.

So 1/2 x 4 is 2, which is the mph.

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A train that travels 30 miles in 1/3 hour at a constant speed is going faster than a train that travels 20 miles in 1/2 hour at

alexdok [17]

Answer:

The train going 30 miles in 1/3 hour is going faster than the other train.

Step-by-step explanation:

Calculate each rate by dividing the distance traveled by the amount of time it takes to cover that distance:

30 / (1/3) = 90 mph

20 / (1/2) = 40 mph

7 0

3 years ago

a copy shot prints 5,493 pages they use the pages to make 68 same size booklets about how many pages are in each booklet

Aliun [14]

Answer:

80 pages

Step-by-step explanation:

Given:

Number of pages printed = 5493

Number of booklets made = 68

Let each booklet use 'x' pages.

So, pages used by 68 booklets is given by unitary method and is equal to:

$=68\times x\\=68x$

Now, total number of pages are 5493.

Therefore, the pages used by the 68 booklets should be less than or equal to the total number of pages available. So,

$68x=5493\\\textrm{Dividing both sides by 68,we get:}\\x=\frac{5493}{68}=80.8\approx 80(\textrm{As number of pages can't be in decimal})$

Therefore, the number of pages in each booklet is 80.

3 0

3 years ago

-5+22=r-4+3r+5<br> I need help please and thank u

Brilliant_brown [7]

Answer:

r = 4

General Formulas and Concepts:

<u>Pre-Alg</u>

Order of Operations: BPEMDAS
Equality Properties

Step-by-step explanation:

<u>Step 1: Define equation</u>

-5 + 22 = r - 4 + 3r + 5

<u>Step 2: Solve for </u><em><u>r</u></em>

Combine like terms: 17 = 4r + 1
Subtract 1 on both sides: 16 = 4r
Divide 4 on both sides: 4 = r
Rewrite: r = 4

<u>Step 3: Check</u>

<em>Plug in r to verify it's a solution.</em>

Substitute: -5 + 22 = 4 - 4 + 3(4) + 5
Add/Subtract: 17 = 3(4) + 5
Multiply: 17 = 12 + 5
Add: 17 = 17

6 0

3 years ago

Help please need asap!! Thank you

olganol [36]

Answer:

your welcome

Step-by-step explanation:

....bbc

6 0

2 years ago

Determine the value of x in the given diagram, when a║b.

mixer [17]

155 degrees is the answer

7 0

3 years ago