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Mathematics : asked on ehlert_22
 29.09.2020

In Saudi Arabian currency 1 riyal equals 20 qurush. Sheik Ahab had 15 coins whose value was 205 qurush. How many coins of each kind were there?

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20.11.2022, solved by verified expert
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Nitin Arora
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Mathematics, English, Physics. Research Scholar at Indian Institute of Technology, Roorkee
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Answer:

number of riyals = 10

And number of qurush = 5

Step-by-step explanation:

Let there are x riyals and y qurush 

x+y = 15 .....(1)

20x + y = 205 ......(2)

Subtracting (2) and (1)

19x = 190

x = 10 

And y = 5 

Therefore, number of riyals = 10 

And number of qurush = 5

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