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sergey [27]
3 years ago
10

Sebastian swam laps every day in the community swimming pool. He swam 45 minutes each day, five days each week, for 12 weeks. In

that time, he swim 1800 laps. What was his average rate in the laps per hour?
Mathematics
2 answers:
DedPeter [7]3 years ago
8 0
The average rate in the laps per hour was 1.5



hoped I helped  :)
larisa [96]3 years ago
7 0
He swam 1,800 laps total in 12 weeks. Each week, he swam 150 laps because 1800/2=150 in 5 days. Each day, he swam 30 laps because 150/5=30, in 45 minutes. His average time was 30/45=2/3 At that rate, in one hour, he would swim 2/3*60 = 2/3 x 60 = 40 laps/hour Final answer is 40
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. Isabella buys a 1.75 litre carton of apple juice. What is the largest number of 200 millilitre glasses that she can have from
Free_Kalibri [48]

Answer:

<em>The largest number of glasses of juice Isabella can have from the carton is 8.</em>

Step-by-step explanation:

<u>Ratios</u>

Knowing the total capacity of the carton of apple juice Ct, and the capacity of each glass Co, we can calculate how many glasses can be taken from the carton by finding the ratio:

\displaystyle n=\frac{Ct}{Co}

There are 1,000 milliliters in one liter, thus the carton has a capacity of

C t= 1.75*1,000 = 1,750 milliliters

Thus,

\displaystyle n=\frac{1,750}{200}

n=8.75

Since we cannot have 8.75 glasses, we round to the previous integer, then:

The largest number of glasses of juice Isabella can have from the carton is 8.

6 0
2 years ago
4-14 Practice Problems
Kazeer [188]

Answer:

5 months

Step-by-step explanation:

Equation A: 15+30x

Equation B: 35x

In 5 months Gym a will cost 15+30(5) or $175 and Gym B will also cost $175.
Basically all you have to do is apply reasonable numbers until you find out where the costs will meet up.

6 0
2 years ago
Dawn Lingua bought three yards of cloth to make some curtains. The cloth was on sale for $2.25 per yard. How much did Dawn pay f
AURORKA [14]
$2.25        <span>$7.0875</span>
$2.25
$2.25
---------
$6.75
 x Tax 5%
$7.0875
  



7 0
2 years ago
This can be modeled by the equation
raketka [301]
Hcucinoboff gc yackbxtrTvlbcycibov
8 0
2 years ago
A car bought for $13,000 depreciates at 15% per year. Use an exponential function to find the value of the car after 5 years.
earnstyle [38]

Answer:

$5768.1

Step-by-step explanation:

Given data

Cost price= $13,000

Depreciation= 15%

Time= 5 years

The expression for the depreciation is given below

A= P(1-r)^t

Substitute

A=13000(1-0.15)^5

A=13000(0.85)^5

A=13000*0.4437

A=$5768.1

Hence after 5 years, the car will be $5768.1

7 0
2 years ago
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