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3 years ago

5

24 is 16% of what number Explain how you got your answer)

1 answer:

Lemur [1.5K]3 years ago

6 0

My teacher always taught me to set these problems up like a proportion

is / of = % / 100

24/ x = 16 / 100

16x = 2,400

Divide 2,400 by 16 and you get 150.

150 is the correct answer.

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A car is traveling at a speed of 25 meters per second what is the cars speed in kilometers per hour how many kilometers will the

Likurg_2 [28]

Answer:

90 km/h
180 km

Step-by-step explanation:

There are 1000 m in 1 km, and 3600 s in 1 h, so the speed conversion is ...

$\dfrac{25\,m}{s}\cdot\dfrac{1\,km}{1000\,m}\cdot\dfrac{3600\,s}{1\,h}=\dfrac{90\,km}{h}$

The car's speed is 90 km/h.

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In 2 hours, the car will travel ...

distance = speed · time = (90 km/h)(2 h) = 180 km

7 0

3 years ago

A sporting goods store sells right-handed and left-handed baseball gloves. In one month, 12 gloves were sold for a total revenue

stepladder [879]

Answer:

$9$ right-handed gloves and $3$ left-handed gloves were sold.

Step-by-step explanation:

Given: In one month, $12$ gloves were sold for a total revenue of $\$561$ .

right-handed gloves cost $\$45$ and left-handed gloves cost $\$52$ .

To find: How much of each type of gloves did they sell?

Solution: Let they sell $x$ right-handed gloves, and $y$ left-handed gloves.

Now, cost of each right-handed gloves $=\$45$

cost of each left-handed gloves $=\$52$

Total revenue $=\$561$

So, we get

$45x+52y=561\:\:\:...(i)$

Also, in a month $12$ gloves were sold.

So, we get

$x+y=12\:\:\:...(ii)$

Now, from $(ii)$ we get, $x=12-y$ .

Putting $x=12-y$ in equation $(i)$ , we get

$45(12-y)+52y=561$

$\implies 540-45y+52y=561$

$\implies7y=561-540$

$\implies7y=21$

$\implies y=\frac{21}{7}$

$\implies y=3$

Now, putting $y=3$ in equation $(ii)$ , we get

$x+3=12$

$\implies x=12-3$

$\implies x=9$

Hence, $9$ right-handed gloves and $3$ left-handed gloves were sold.

7 0

3 years ago

Joan receives a $7 weekly allowance plus $6 for each hour she helps her father paint. Ernie writes the equa on to represent the

zalisa [80]

C... hope this will help!

7 0

3 years ago

Read 2 more answers

B) A prize is divided between three people

dlinn [17]

Answer:

X : Z = 6 : 5

Step-by-step explanation:

X : Y = 3 : 1

Double both sides

X : Y = 6 : 2

Y : Z= 2 : 5

Combined

X : Y : Z = 6 : 2 : 5

Therefor

X : Z = 6 : 5

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3 years ago

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For what value of x does 32x - 93x-4 ?

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2 years ago