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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?​

Sagot :

raphealnwobi

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

What is an equation?

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: https://brainly.com/question/2972832

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