MATHEMATICS COLLEGE

The price of gasoline is $2.27 per gallon and decreases at the rate of $0.03 every two months. Oil costs $0.45 per gallon and increases at a rate of $0.05 every six months. How many years will it take for them to be equal in price? a) 6.5
b)6
c)7
d)5.5

this is on an asvab pretest, i know the answer is 6.5, i dont know how to get to that answer tho and really want to understand how. thank you.

Answers

Answer 1
Answer: You subtract 3 cents and add up how many months it is tiil  it reaches the same ammout as adding 5 cents and adding up six months every time

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MIDDLE SCHOOL

Find the the y- intercept equation for the two points ( 4,0) ( 0,2)

Answers

The y- intercept equation for the two points ( 4,0) ( 0,2) is 2

Solution:

Given that we have to find the y intercept of the equation

Given points are (4, 0) and (0, 2)

Let us first find the slope of line

The slope of line is given as:

Here in this sum,

Substituting the values in formula, we get

The equation of line in slope intercept form is given as:

y = mx + c ------- eqn 1

Where, "m" is the slope and "c" is the y intercept

Substitute (x, y) = (4, 0) and m = -1/2 in eqn 1

Thus y intercept of equation is 2

MIDDLE SCHOOL

Lulu ate 3/5 of a bag of chips which equaled to 150 calories. How much calories would have lulu ate if she ate the whole bag of chips? Write an equation to represent the problem.

C stands for the whole bad of chips,

Hurrry Plzzzzzzz! Neeed Answer!!

Answers

C=150•(3/5)•5
C=450

So if she ate the whole bag, she’d eat 450 calories.
HIGH SCHOOL

84 divided by 6 distributive property

Answers

Eighty four divided by 6 is 14
MIDDLE SCHOOL

Help ASAP!!!!
Solve 7(y + 2) - (4y - 10) = 44 - 2y + 5

Answers

Answer:

y = 5

Step-by-step explanation:

Distribute the 7 to (y + 2) and distribute the -1 to (4y - 10).

7y + 14 - 4y + 10 = 44 - 2y + 5

Then add like terms, (7y - 4y), (10 + 14), and on the other side of the equation, (44 + 5)

3y + 24 = 49 - 2y

Add 2y to both sides, causing it to cancel out on one side, and on the other, solve 3y + 2y

5y + 24 = 49

Then subtract 24 from both sides, causing it to cancel out on one side, and on the other, solve 49 - 24

5y = 25

Then divide both sides by 5 and it cancels out on one side, and on the other solve 25/5

y = 5

Answer: y=5

Step-by-step explanation: First distribute the 7 and the ‘–‘ to get 7y + 14 – 4y + 10 = 44 – 2y + 5.

Simplify to get 3y + 24 = 49 – 2y.

Add 2y to both sides to get 5y + 24 = 49

Subtract 24 from both sides to get 5y = 25.

Divide by 5 to get y = 5.

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