A road crew must repave a road that is 2/5 miles long. They can repave 1/30 miles each hour. How long will it take the crew to repave the road?

Answers

Answer 1
Answer:

Answer with explanation:

Total length of road =\frac{2 \text{miles}}{5}

Amount Repaved per Hour

=\frac{1 \frac{\text{miles}}{\text{hour}}}{30}

Using Unitary method

 \Rightarrow 1 \text{hour}=\frac{1 \text{miles}}{30}\n\n\Rightarrow 30 \text{hour}=1 \text{miles}}\n\n\Rightarrow \frac{2\text{miles}}{5}=30 * (2)/(5) \text{hour}\n\n\Rightarrow \frac{2\text{miles}}{5}=12 \text{hour}

Total time taken by crew to repave the road= 12 hour


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Another way to express 52+24

Answers

We know that:  52 + 24 = 76.
You can also express it this way:
52 + 24 = 50 + 2 + 20 + 4 = ( 50 + 20 ) + ( 2 + 4 ) = 70 + 6 = 76
Or ( since 4 * 13 = 52 and 4 * 6 = 24 ):
52 + 24 = 4 * 13 + 4 * 6 = 4 * ( 13 + 6 ) = 4 * 19 = 76. 

Another way to express 52+24 is using the expression 24 + 52

How to rewrite the expression?

The expression is given as:

52 + 24

By the addition identity, the following expressions are equivalent

52 + 24 and 24 + 52

Hence, another way to express 52+24 is using the expression 24 + 52

Read more about expressions at:

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Find the experimental probability that the first three students to arrive at school are boys.A.3/20
B.1/5
C.3/10
D.1/4

Answers

How many people are in the school

A 2 quart carton of chocolate milk costs $1.40.
What is the price per pint?

Answers

0.35 is the answer!!

Answer:

If i am correct 0.35 per pint.

Step-by-step explanation:

As there is 2 pints in a quart you multiply 2x2 ( the amount of quarts) to get 4. Then you divide the price of $1.40 by 4.

Which of the following number is greater?
7.03. Or 7.0? Why?

Answers

The  greater number in between 7.03 and 7.0 is, 7.03

What is a decimal number ?

A decimal number is a number that expresses a quantity in terms of a power of 10. It uses a decimal point to separate the integer part of the number from the fractional part. The fractional part is expressed as a sum of multiples of powers of 10, where the power of 10 is determined by the position of the decimal point.

For example, the decimal number 3.14 represents the number 3 + 0.14, where 0.14 can be expressed as 14/100 (14 hundredths).

Given that,

Two numbers,

7.03 & 7.0

7.03 is greater than 7.0. The reason for this is that the number after the decimal point represents the fractional part of the number, and the digit to the right of the decimal point represents a smaller fraction.

For example, 7.03 can be represented as 7 + 0.03,

while 7.0 can be represented as 7 + 0.0.

So, it's clear that 7 + 0.03 is greater than 7 + 0.0,

Therefore, 7.03 is greater than 7.0.

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7.03 is greater. It's greater because if 7.0 is the same thing as 7.00. 7.03 is greater than 7.0 by .03.

Elimination 2x-3y=-3
5x+3y=17


2) x+3y=10
2x-3y=2


3) 4x+3y=-1
2x+5y=3


4) 5x+7=6
10x-3y=46

5)4x-5y=-11
2x+y=5

6)3x-2y=0
9x+8y=7

Answers

This how to solve by the elimination method..

1/3 ton to the nearest pound

Answers

first you need to know what system is being used. the us system uses what is called a short ton which is 2000 lbs 

the british tend to use the long ton which is 2240 lbs. 

1/3 short ton = 666.66 lbs 
1/3 long ton = 746.59 lbs