Mathematics : asked on orangeicecream

10.03.2020

Divide 300 among Ravi and Isha in the ratio 2:3.

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09.07.2023, solved by verified expert

Mathematics, DAV Post Graduate College

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Ravi: 120

Isha: 180

Step-by-step explanation:

Think of the ratio as parts. Ravi gets 2 parts while Isha gets 3.

But, we don't know how much each gets. This is written as X.

The ratio of 2:3 can be set up in an equation as 2x and 3x.

We know that the total is 300.

Ravi has 2 parts:

Isha has 3 parts:

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Mathematics

Divide 300 among Ravi and Isha in the ratio 2:3.

Step-by-step answer

P Answered by Master

Ravi: 120

Isha: 180

Step-by-step explanation:

Think of the ratio as parts. Ravi gets 2 parts while Isha gets 3.

But, we don't know how much each gets. This is written as X.

The ratio of 2:3 can be set up in an equation as 2x and 3x.

We know that the total is 300.

$2x+3x=300\\5x=300\\x=60$

Ravi has 2 parts:

2(60)=120

Isha has 3 parts:

3(60)=180

Mathematics

Imran is paid ?286 per week Every week he puts 20% of his wage into a savings account How much does he put into his savings each week

Step-by-step answer

P Answered by PhD

The answer is in the image

The answer is in the image

Mathematics

Neil places £2000 in a bank account that pays 1.5% simple interest per year. How much interest will he earn in 6 years?

Step-by-step answer

P Answered by PhD

SI=(P*R*T)/100

P=2000

R=1.5

T=6

SI=(2000*1.5*6)/100

=(2000*9)/100

=180

Neil will earn interest of 180

Mathematics

You can buy jars of the same jam in 2 sizes large jar:440g for £1.54 small jar:340g for £1.26 By considering the price per gram, work out which jar is the best value for money. Working must be shown

Step-by-step answer

P Answered by PhD

Answer: 440 grams for 1.54 is the better value
Explanation:
Take the price and divide by the number of grams
1.54 / 440 =0.0035 per gram
1.26 / 340 =0.003705882 per gram
0.0035 per gram < 0.003705882 per gram

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A new school randomly assigns a six-character student code to every prospective student. The school uses the characters 1, 2, 3, 4, 5, X, Y, and Z. If none of the student codes contain a repeated character, what is the total number of codes that can be randomly assigned?

Step-by-step answer

P Answered by PhD

The total nom of code that can be used is equal to 5+3 = 8

Mathematics

In a parking lot, for every 8 cars there are 7 trucks. What is the ratio of cars to trucks? A)7 : 8 B)8 : 7 C)8 : 15 D)15 : 8

Step-by-step answer

P Answered by PhD

For every 8 cars there are 7 trucks

Therefore,

Cars:Truck=8:7

Answer is B)8:7

Mathematics

The ratio of tables to chairs at the furniture store is 1:6. There are 30 chairs. How many tables are there?

Step-by-step answer

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The solution is in the following image

The solution is in the following image

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Use the X method to find the solutions of6x2 + 2x – 20 = 0.

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The answer is in the image

The answer is in the image

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Which number is the smallest? 4.4 ⋅ 10−5, 3.99 ⋅ 10−6, 2.6 ⋅ 102, 1.85 ⋅ 103

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The answer is in the image

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Mathematics

If a salesperson makes 6% commission, how much would they make from a $1,800 sale?

Step-by-step answer

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Salesperson will make 6% of 1800

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Salesperson will make $108 in $1800 sales

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