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son4ous [18]
2 years ago
8

Andrew has a moneybox in which he saves all of his R5,R2 and R1 coins.The coins are in the ratio 2:5:7 respectively.If he has a

R90 in R2 coins ,how many R5,R2 and R1 coins has he saved?​
Mathematics
1 answer:
Pepsi [2]2 years ago
4 0

Andrew has saved 36 number of R5 coins, 90 number of R2 coins and 126 number of R1 coins.  

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more variables and numbers.

The coins are in the ratio 2:5:7 respectively. If he has a R90 in R2 coins. If x represent the total coins, hence:

(5/14) * x = 90

x = 252

Number of R5 coins = (2/14) * 252 = 36

Number of R1 coins = (7/14) * 252 = 126

Andrew has saved 36 number of R5 coins, 90 number of R2 coins and 126 number of R1 coins,  

find out more on equation at: brainly.com/question/2972832

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Answer:
= 3041666667/1000000000

= 3041666667/1000000000

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Work:
Write the decimal number as a fraction
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3.041666667 = 3.041666667 / 1

Multiplying by 1 to eliminate 9 decimal places
we multiply top and bottom by 9 10's

Numerator (N)
N = 3.041666667 × 10 × 10 × 10 × 10 × 10 × 10 × 10 × 10 × 10 = 3041666667
Denominator (D)
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N / D = 3041666667 / 1000000000

Simplifying our fraction

= 3041666667/1000000000

= 3041666667/1000000000

<span>= 3  41666667/1000000000</span>
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Step-by-Step Explanation:

There are two ways to go about this.

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