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Lostsunrise [7]
3 years ago
8

If someone rented a bike that cost $20 + $7 per hour and they paid $76, then how much hours did they rent the bike for?

Mathematics
2 answers:
never [62]3 years ago
7 0
$20 + $7 = $27

$20 + $7 = $54

$20 + $7 = $81

81 - 7 = 74

74 - 71 = 3.

The estimated answer is about 3 hours and 20 minutes

AfilCa [17]3 years ago
3 0
20+7h=76
7h=56
h=8. As a result, they rented tr bike for 8 hours. Hope it help!
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8 55% of students in a school are boys.
ioda

Answer:

Ratio = 11:9

Boys = 440

Girls = 360

Explanation:

Given that, in a school,

Total number of students = 800

Also,

Percent of boys = 55%

Therefore, number of boys = 55% of 800

No. of boys = 55/100 x 800

No. of boys = 55 x 8 =

No. of boys = 440

Therefore, we will get,

No. of girls = (800-440)

No. of girls = 360

Therefore, we will get,

Ratio of boys to girls = 440/360

Ratio = (40*11)/(40x9)

Ratio = 11/9

Hence, the ratio of boys to girls is 11:9 and number of boys and girls is 440 and 360 respectively.

5 0
3 years ago
Write an algebraic expression for each word phrase. 10 less than x
iogann1982 [59]

Answer:

10

Step-by-step explanation:

10=10\\less\:than =

= 10

8 0
2 years ago
Ken have 9 1/2 cookies. Ken have to split the cookies evenly among 20 people. How much does each person get? [ PLEASE HELP WITH
anygoal [31]

Answer:

9 1/2 ÷20

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19/2 ÷20 ( add 18/2 and 1/2)

19/2 ×1/20 (dividing by 20 is the same as multiplying by 1/20)

19/40

0.475

4 0
3 years ago
In the design shown below, four semicircles are attached to a square whose area is 36 square centimeters. Which of the following
CaHeK987 [17]

Answer:

56.549 cm   (choice 1)

Step-by-step explanation:

If the area of the square if 36 cm, then each side is 6 cm.

That means the diameter for each semi circle is also 6 cm.

Formula for a semi circle is 1/2(πr²)

We need the radius, which is half the diameter. So the radius is 6÷2= 3

Now plug in to the formula.

A= 1/2(π3²)

A= 14.137 (nearest hundredths)

Now multiply that by 4, because there are 4 semi circles

4(14.137)= 56.549 cm (nearest hundredths)

3 0
3 years ago
Dude I literally have no idea what to do​
Bumek [7]

it's -1/8

Step-by-step explanation:

\frac{5}{16}  -  \frac{7}{16}

-  \frac{2}{16}

you can simplify -2/16 to -1/8 because 1/8 is half of 2/16

so yeh.. answer will be

-  \frac{1}{8}

5 0
2 years ago
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