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3 years ago

What is 5.40 as a fraction in simplest form

Mathematics

1 answer:

vivado [14]3 years ago

7 0

There are 5 wholes. That leaves 4 tenths so it would be 4/10 divide by two and you will get 5 and 2/5.

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Samuel purchased 2 1/2 lb of nuts for $10.50.How much will 5 1/4 lb cost?

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It should be 23.625 dollars

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4 years ago

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What is associative property for 5+(3+4)=

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Answer:

associative property for Addition

The answer of this question is Addition

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3 years ago

A car was bought in 2009 for $120000. it 2016 it value decrease by 20%. it's value decrease by 10% of it's value in 2010.fond th

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Answer:

<h2>This is the case % decrease</h2><h2>120000*80/100*90/100</h2><h2>=12*80*90</h2><h2>=7200*12</h2><h2>=72000+ 14400</h2><h2>=86400 rs</h2>

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Solve the Inequality for x<br> x/2+3/2<5/2

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x<2

Step-by-step explanation:

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3 years ago

Douglas invests money in two simple interest accounts. He invests three times as much in an account paying 14% as he does in an

Rainbow [258]

Douglas invested $ 1300 altogether

<em><u>Solution:</u></em>

Let x represent the amount invested in the account paying 14% interest.

Let y represent the amount invested in the account paying 5% interest

He invests three times as much in an account paying 14% as he does in an account paying 5%

Which means,

x = 3y

<em><u>The simple interest is given by formula:</u></em>

$S.I = \frac{p \times n \times r}{100}$

Where,

"p" is the principal

"n" is the number of years

"r" is the rate of interest

<em><u>He earns $152.75 in interest in one year from both accounts combined</u></em>

Therefore,

Combined S.I = 152.75

n = 1 year

<em><u>Considering the account earning 14% interest:</u></em>

$S.I = \frac{3y \times 14 \times 1}{100}\\\\S.I = 0.42y$

<em><u>Considering the account earning 5% interest:</u></em>

$S.I = \frac{y \times 5 \times 1}{100}\\\\S.I = 0.05y$

<em><u>Since, Combined S.I = 152.75</u></em>

Therefore,

0.42y + 0.05y = 152.75

0.47y = 152.75

Divide both sides by 0.47

y = 325

Therefore,

x = 3y

x = 3(325)

x = 975

<em><u>how much did he invest altogether?</u></em>

Amount invested together = x + y = 975 + 325 = 1300

Thus he invested $ 1300 altogether

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3 years ago