MATHEMATICS MIDDLE SCHOOL

Ann's car can travel 228 miles on 6 gallons of gas. a. Write an equation to represent the distance, y, in miles Ann's car can travel on x gallons of gas.

b. Ann's car used 7 gallons of gas during a trip. How far did Ann drive?

Answers

Answer 1
Answer:

Answer:

a. y=38x.

b. 266 miles.

Step-by-step explanation:

Let y represent distance in miles and x represent gallons of gas.    

a. First of all, we will find mileage of Ann's car by dividing total distance traveled by total fuel consumed.

\text{Mileage of Ann's car}=\frac{\text{228 miles}}{\text{6 gallons}}

\text{Mileage of Ann's car}=\frac{\text{38 miles}}{\text{ gallon}}

Since Ann's can travels 38 miles per gallon, so distance covered by using x gallons on gas would be 38x.

Therefore, our required equation would be y=38x.

b. To find distance covered by Ann's car using 7 gallons, we will substitute x=7 in the equation:

y=38(7)

y=266

Therefore, Ann's car will travel 266 miles in 7 gallons of gas.
Answer 2
Answer:

Answer:

a. Since Ann's can travel 38 miles per  gallon, so distance covered by using x  gallons on gas would be 38x. Y=38x

b. Ann's car will travel 266 miles in 7 gallons of gas.

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3 +0.5(4a + 8) = 9 – 2a

Answers

The required simplified value of a is 1/2 .

Given that,
3 +0.5(4a + 8) = 9 – 2a
The simplified value of a is to be determined.

What is arithmetic?

In mathematics, it deals with numbers of operations according to the statements. There are four major arithmetic operators, addition, subtraction, multiplication, and division,

What is simplification?

The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.

Here,
3 +0.5(4a + 8) = 9 – 2a
3 + 0.5*4a + 0.5*8 =9 - 2a
3 + 2a + 4 = 9 - 2a
7 - 9 = - 4a
a = 1 / 2

Thus, the required simplified value of a is 1/2.

Learn more about arithmetic here:

brainly.com/question/14753192

#SPJ2

Answer:

0.5

Step-by-step explanation:

stewie brought 2 trains and 3 hats for $18.00. Each trains costs the same amount. Each hat cost the same amount. The price of a hat is $4.00. what is the cost of 1 train

Answers

$4 each x 3 hats = $12 total

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A cup of cereal can contain 480480
milligrams of salt, which is 20%
20
%
of the recommended daily amount.

What is the recommended daily amount of salt?

Answers

480 x 5 = 2400. 2400 milligrams of salt is the recommended daily amount.

Answer:

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Step-by-step explanation:

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