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Lerok [7]
3 years ago
6

What percent of 75 is 15

Mathematics
2 answers:
Zepler [3.9K]3 years ago
6 0
(15/75) = (x/100)

Using cross multiplication, you get:

(100)(15) = (75)x
1500 = 75x
(1500/75) = x
x = 20%
Jlenok [28]3 years ago
6 0

\frac{15}{75} ≈ \frac{x}{100}

\frac{1500 = 75x}{75}

X = 20

Therefore, 20% of 75 is 15.

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You need to create common denominators and then add and then subtract to get 22/48
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Please use statemnet reasoning!
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The cost to rent a surfboard at the beach is $10.25 an hour plus an insurance fee of $25. Keith spent $55.75 when renting a surf
goblinko [34]

Answer: Keith spent 3 hours renting the surfboard.

Step-by-step explanation:

h=hour

10.25h+25=55.75

55.75-25= 30.75

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10.25(3)+25=

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4 0
3 years ago
The drama club sold bags of candy and cookies to raise money for the spring show. Bags of candy cost $5.50 and bags of cookies c
vaieri [72.5K]

Let's assume

the number of bags of candy =x

the number of bags of cookies =y

There were 5 more bags of cookies sold than candy

so, we get

y=x+5

Bags of candy cost $5.50

so, total cost of candy is

=5.50x

bags of cookies cost $3.50

so, total cost of cookies is

=3.50y

so,

total cost = (total cost of candy)+(total cost of cookies)

we get

total cost =5.50x+3.50y

so, we can plug

5.50x+3.50y=53.50

now, we can plug y

5.50x+3.50(x+5)=53.50

5.5x\cdot \:10+3.5\left(x+5\right)\cdot \:10=53.5\cdot \:10

55x+35\left(x+5\right)=535

55x+35x+175=535

90x+175=535

90x+175-175=535-175

90x=360

x=4

now, we can find y

y=x+5

y=4+5

y=9

so,

the number of bags of candy =4

the number of bags of cookies =9............Answer


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3 years ago
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