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2 years ago

7 1/2 divided (4 1/2-5 1/8)=

Mathematics

2 answers:

LenKa [72]2 years ago

5 0

First need to do inside the parentheses.

Rewrite the fractions as improper fractions and so they have common denominators:

4 1/2 = 9/2 = 36/8

5 1/8 = 41/8

Now you have 36/8 - 41/8 = -5/8

The problem is now 7 1/2 / -5/8

Rewrite 7 1/2 as 15/2

The problem is now 15/2 / -5/8

When dividing by a fraction change it to multiplication and flip the fraction over:

15/2 x -8/5

Now multiply the top numbers together and the bottom numbers together:

15/2 x -8/5 = (15 x -8) / (2 x 5) = -120/10 = -12

Answer: -12

Ierofanga [76]2 years ago

4 0

Answer:

-12

Step-by-step explanation:

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2 years ago

ace bike rentals rents bikes for $28 per day. Renters can keep the bike for 8 hours. Bart's bikes rents bikes for $30 per day. R

lyudmila [28]

Bart company charges a lower rate. It is lower by rate $ 0.5 per hour

<h3><u>Solution:</u></h3>

Given that Ace bike rentals rents bikes for $28 per day. Renters can keep the bike for 8 hours

Also given that Bart's bikes rents bikes for $30 per day. Renters can keep the bike for 10 hours

To find: company that charges lower rate

Let us find the hourly rate of Ace and Bart

$\text {hourly rate }=\frac{\text { Rental price }}{\text { total time in a day }}$

<em><u>Hourly rate of Ace company:</u></em>

Rental price = $28

total time in a day 8 hours

$\text {hourly rate }=\frac{28}{8}=3.5$

So the hourly rate of Ace company is $ 3.5 per hour

<em><u>Hourly rate of Bart company:</u></em>

Rental price = $ 30

total time in a day 10 hours

$\text {hourly rate }=\frac{30}{10}=3$

So the hourly rate of Bart company is $ 3 per hour

<em><u>Comparing hourly rate of both companies</u></em>

Ace company is $ 3.5 per hour

Bart company is $ 3 per hour

Bart company < Ace company

3 < 3.5

Thus bart company charges a lower rate

<h3><em><u>How much lower?</u></em></h3>

hourly rate of Ace company - hourly rate of Bart company = 3.5 - 3 = 0.5

So, it is lower by rate $0.5 per hour

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2 years ago

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