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katovenus [111]
3 years ago
12

Andrews math teacher entered the seventh- grade students in a math competition. There was an enrollment fee of $30 and also an $

11 charge each packet of 10 test. The total cost was $151. How many test were purchased?
Mathematics
1 answer:
Anon25 [30]3 years ago
7 0

Answer:

11

Step-by-step explanation:

You would start by subtracting $30 from $151 which is $121.

Then you would divide this by 11 which 121÷11=11

So 11 test were bought.

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the price of a technology stock was $9.53 yesterday. Today, the price rose to $9.66. Find the percentage increase. Round your an
galben [10]
So, 9.66 - 9.53 will then be 0.13, so if we take 9.66 to be the 100%, what is 0.13 off of it in percentage then?

\bf \begin{array}{ccll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
9.66&100\\
0.13&p
\end{array}\implies \cfrac{9.66}{0.13}=\cfrac{100}{p}\implies p=\cfrac{0.13\cdot 100}{9.66}
6 0
3 years ago
If x = -2, then x2-7x+10 equals<br> 00<br> O 20<br> 028
sleet_krkn [62]
20, you just need to substitute the x value in the equation
(-2)2-7(-2)+10=
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7 0
3 years ago
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Breakfast Bar’s scrambled egg recipe uses 8 eggs to feed 5 people. How many eggs are they going to need to serve 100 people on S
Afina-wow [57]

Answer:

160

Step-by-step explanation:

If 5 people = 8 eggs

1 person = 8÷5 = 1.6 eggs

100×1.6= 160 eggs

3 0
2 years ago
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Write the number 4, 207 in expanded form.
sergiy2304 [10]
The Answer is the first one
5 0
3 years ago
Relate Fractions, Decimals, and Money. Write the money amount as a fraction in terms of dollars. The problems are $0.66 and $1.0
ozzi
You convert a decimal to a fraction by putting the digits to the right of the decimal point over "1" followed by the same number of zeros. (Most folks learn this in 3rd or 4th grade.)

0.66 = 66/100 . . . . . 2 decimals, so the denominator is 100

Then you reduce the fraction by canceling common factors. It helps to know your times tables and divisibility rules. (Or you can have your calculator do it.)

0.66 = 66/100 = 33/50
1.00 = 100/100 = 1

7 0
3 years ago
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