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anyanavicka [17]
3 years ago
13

for a school field trip, there must be 1 adult to accompany 12 students, 3 adults to accompany 36 students, and 5 adults to acco

mpany 60 students. Show that the relationship between the number of adults and the number of students is a proportional relationship. then write an equation for the relationship?
Mathematics
2 answers:
Kamila [148]3 years ago
8 0
Y=12x
x is amount of adult
y is the student

-i hope this helps and have a wonderful day!!
skad [1K]3 years ago
4 0
Y=12x x is amount of adult and y is the student

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A 3 ounce serving of tuna provides 21 grams of protein. Use equivalent ratios to find how many grams of protein are in 9 ounces
denis-greek [22]

Answer:

There would be 63 grams of protein in 9 ounces of tuna.  

Step-by-step explanation:

Equivalent ratios compare two different quantities the have the same rate regardless of the amount.  In this example, for every 3 ounces of tuna, there are 21 grams of protein.  We can write this as a ratio of:  3/21.  Like fractions, we can simplify ratios by dividing the numerator and denominator by the same greatest common factor.  In this case, we would divide both the numerator and denominator by 3:  (3÷3)/(21÷3) = 1/7. So, our new ratio is for every ounce of tuna, we have 7 grams of protein.  Using equivalent ratios, we can set up our ratios to solve for the grams of protein in 9 ounces of tuna:  1/7 = 9/x.  Since we have to multiply both the numerator and denominator by the same factor, in this case 9, then our x = 63 grams of protein.

5 0
3 years ago
A stock was priced at $12 3/8 per share. It rose in price by $3 1/4 per share. What was its new price?
lubasha [3.4K]

Option A

The new price is $ 15 \frac{5}{8}

<h3><u>Solution:</u></h3>

Given that, a stock was priced at $ 12 \frac{3}{8} per share.

It rose in price by $ 3 \frac{1}{4} per share.

New price = old price + rise in price

Thus to find out the new price, we have to add old price and rise in price

\text { So, new price }=\$ 12 \frac{3}{8}+\$ 3 \frac{1}{4}

\text { New price }=\frac{12 \times 8+3}{8}+\frac{3 \times 4+1}{4}

On solving we get,

\text { New price }=\frac{96+3}{8}+\frac{12+1}{4}

\begin{array}{l}{\text { New price }=\frac{99}{8}+\frac{13}{4}=\frac{99+26}{8}} \\\\ {\text { New price }=\frac{125}{8}}\end{array}

On converting to mixed fraction,

\begin{array}{l}{\text { New price }=\frac{120+5}{8}} \\\\ {\text { New price }=15 \frac{5}{8}}\end{array}

Hence, the new price is 15 \frac{5}{8}, so option A is correct.

8 0
4 years ago
Find the constant of variation k for the inverse variatio. Then write an equation for the inverse variation y=5 x=7.5
lisabon 2012 [21]

Answer:

K= 0.6 with the repeating 6.

the equation is     y= 0.6x    with the repeating 6

hope this helps!


Step-by-step explanation:


7 0
3 years ago
Four less than 3 times a number at most is five
Jet001 [13]
The correct answer is the first one
8 0
3 years ago
Could anyone please help me right away with this question !
Mrac [35]

Answer:

I think it’s 775 but I’m not sure

Step-by-step explanation:

7 0
3 years ago
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