Calculate the product of 8 /15, 6 /5 , and 1 /3 .

Answers

Answer 1

Answer: We simply have to multiply the three fractions. And doing so requires us to multiply their numerators and their denominators. So we have: 8/15 * 6/5 * 1/3 = 8*6*1/15*5*3 = 48/225, which gives us 16/75 after simplifying the result (by dividing the fraction by 3).

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How do you simplify the fraction 252 over 288?

Answers

GCF = 36

We can reduce the fraction by dividing
the numerator and denominator by 36
and get our simplified answer

252 ÷ 36 / 288 ÷ 36=

7 /8

Instead of finding the GCF, you can simplify with mental math.

If you notice they are both divisible by any number, divide them both by this number to simplify until they share no common factors.

252 and 288 are both divisible by 2.

252/288 = 126/144

126 and 144 are both divisible by 2.

126/144 = 63/72

63 and 72 are both divisible by 3.

63/72 = 21/24

21 and 24 are both divisible by 3.

21/24 = 7/8

Emily has a coupon for 20 percent off her purchase. She finds a backpack she likes on the discount rack. It's original price is $60, but everything on the rack comes with a 30 percent discount. Emily says, "thirty percent and twenty percent make fifty percent so ur will cost $30. Is emy correct?

Answers

Answer: she is incorrect

Step-by-step explanation:

If Emily had a coupon for 20 percent off her purchase, this means that whatever she bought, the total amount would be reduced by 20%. She will be paying 80%

She finds a backpack she likes on the discount rack. It's original price is $60, but everything on the rack comes with a 30 percent discount.

This means that ordinarily,the amount she is meant to pay on the total goods she is buying is 30% lesser than $60. She will be paying

60 - (30/100 ×60)

60 - 0.3×60 = 60-18 = $42

Since she has a 20% coupon on total cost of goods bought, she would be paying

42 - (20/100 ×42)

42 - 0.2×42

= 42 - 8.4 = $33.6

Therefore,

If Emily says, "thirty percent and twenty percent make fifty percent so that her cost will be $30. She is incorrect. Her cost is $33.6

Answer:

she is incorrect.

Step-by-step explanation:

A 15 W electric shaver is used for 3 minutes. How much energy does it use?

Answers

Idk lots of physics but I think it’s 45W

Sam is 5 years old. His older brother, Tom, is three times as old as Sam. When Sam is 20, how old will Tom be?

Answers

Sam is 5
Tom is 3 times older so 3*5=15
The difference between them is 15-5=10 years
When Sam is 20 we add the difference 20+10=30, and we have Tom's age :)

How can I solve this equation.

Answers

$(b+4)/(2)=5\ \ \ \ \ |multiply\ both\ sides\ by\ 2\n\nb+4=10\ \ \ \ |substract\ 4\ from\ both\ sides\n\n\underline{\underline{b=6}}\leftarrow solution$

$(b+4)/(2)=5\n b+4=10\n b=6$

How many solutions does the following system of linear equations have? y=-6x+6
y=5x+1

Answers

2 this is right because 6 +1 and 6x 5x

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