MATHEMATICS MIDDLE SCHOOL

What is 3w = 8.4 ??????????

Answers

Answer 1
Answer: W= 2.8
so 3 x 2.8 = 8.4

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MIDDLE SCHOOL

she brought the cameras for $65 each and included a 60% markup to get the selling price ,what was the selling price for one camera?

Answers

60% of 65=
0.6*65=36
add it into a sum with 65
39+65= 104

This means each camera is worth $104

Hope I helped 
39 I think
how many cameras did she buy?
opps I forgot to add 39 to 65 for a total of 104
SORRY


MIDDLE SCHOOL

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10

-9

-8

-7

Answers

Answer:

-7

Step-by-step explanation:

4x-12=16+8x

-12-16=8x-4x

-28÷4=x

x=-7

Answer:

-7 :)

Step-by-step explanation:

MIDDLE SCHOOL

George is building a fence. He builds his fence at a constant rate of 1/3 section of fence every 1/2 hour. At this rate, which fraction represents the section of fence George can build per hour? Enter your answer as a fraction. (Type as a decimal, round to the hundredths place)

Answers

Answer:
Fraction of fence = 2/3 which is approximately 0.67

Explanation:
We know that he finishes 1/3 of the fence in 1/2 an hour. To know the fraction he can finish in one hour, we will simply use cross multiplication as follows:
1/3 of the fence ...................> 1/2 an hour
?? of the fence ....................> 1 hour
Fraction of the fence = (1/3 * 1) / (1/2)
Fraction of fence = 2/3 which is approximately 0.67

Hope this helps :)
HIGH SCHOOL

Seven less than twice a number is 11. find the number

Answers

Seven less than twice a number is 11.
First, add seven to the end number 11.
11 + 7 = 18
Now, divide that by 2.
18 ÷ 2 = 9
And check it.
Twice the number 9 is 18. Seven less than that is 11.
The number is 9.
9: work backwards 11 + 7 = 18 , 18 divided by 2 + 9
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