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yaroslaw [1]
3 years ago
10

Vivian bought 6 bottles of cooking oil. She gave the cashier $40 and expected $y change. (a) express the cost of 1 bottle of coo

king oil in terms of y. (b) if y=10, find the cost of 1 bottle of cooking oil. (c) if y=1, find the cost of 1 bottle of cooking oil.
Mathematics
2 answers:
MariettaO [177]3 years ago
8 0
Prize of 6 botl= 40-y
prize of 1 botl will 40-y/6
if y=10
then prize of 1 bottle is 5
OleMash [197]3 years ago
4 0

Answer:

Part (a) The required equation is y=40-6x.

Part (b) If y=10, the cost of 1 bottle of cooking oil is $5.

Part (c) If y=1, the cost of 1 bottle of cooking oil is $6.5.

Step-by-step explanation:

Consider the provided information.

Let the cost of each bottle of cooking oil is $x.

Vivian bought 6 bottles of cooking oil.

Thus the cost of 6 bottles of cooking oil is 6x.

She gave the cashier $40 and expected $y change.

This can be written as:

y+6x=40

Part (a) express the cost of 1 bottle of cooking oil in terms of y.

y+6x=40

Subtract both sides by 6x.

y=40-6x

The required equation is y=40-6x.

Part (b) if y=10, find the cost of 1 bottle of cooking oil.

Substitute the respective values in the above equation.

10=40-6x

-30=-6x

x=5

If y=10, the cost of 1 bottle of cooking oil is $5.

Part (c) if y=1, find the cost of 1 bottle of cooking oil.

Substitute the respective values in the above equation.

1=40-6x

-39=-6x

x=6.5

If y=1, the cost of 1 bottle of cooking oil is $6.5.

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pychu [463]

Answer:

<u>⅓</u>

<h2>Step-by-step explanation:</h2>

\frac{5}{9}  \times  \frac{3}{5}

=  \frac{1}{3}  \times  \frac{1}{1}

=  \frac{1}{3}

<h2>Checking:</h2>

\frac{1}{3}  \div  \frac{3}{5}

=  \frac{1}{3}  \times  \frac{5}{3}

=  \frac{5}{9}

#CarryOnLearning

8 0
3 years ago
Read 2 more answers
Just do 11 or 12 or both please im really tired and it 1:34 in the morning plz help
kumpel [21]

Answer:

11)<em>(-1)</em>

<em>12)1.7</em>

Step-by-step explanation:

11)y+z/x                

 (-3)+(-2)/5

 (-5)/5

<em>    (-1)</em>

12)x-5z/y

   5+5(-2)/(-3)

   5+(-10)/(-3)

   (-5)/(-3)

   1.666

 <em>    1.7</em>

<em></em>

<em>Hope this helps you</em>

<em>If you have any question just ask me</em>

3 0
2 years ago
A community action committee is planning a block party. The party will be successful only if at least 70 adults and children att
Sergeeva-Olga [200]

Answer:

A. a + c ≥ 70; 15a + 4c ≤ 1000

Step-by-step explanation:

<u>Given data:</u>

A community action committee is planning a block party

The party will be successful if at least 70 adults (a) and children (c) attend

Their budget for the party is $1,000

The cost for each adult will be $15

And the cost for each child will be $4

<u>Solution:</u>

<u />

At least 70 adults and children attend.

So the inequality here is a + c ≥ 70

The budget for the party is $1,000.

So the cost for all adults plus the cost for all children cannot exceed $1,000

And hence the inequality here is; 15a + 4c ≤ 1,000

3 0
3 years ago
Read 2 more answers
How much is a one time investment of 250 be when invested at 6% for 40 years in compound annually
vova2212 [387]

Hi

6% increase is multiply by 1,06

done 40 times

so : 250* 1,06^40 = 2571 ,

7 0
1 year ago
HELP PLS ANSWER ASAP DUE TOMARROW
damaskus [11]

Answer:

they need to sell 15,000 because 42 percent of 15,00 is 6,300+2500=800

the inequality should be. 2500+0.42s≥8,800

and the number line should have a closed point on 15,000 with the line pointing to the right

6 0
3 years ago
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