Linear Equations In One Variable

Question

Kaveri has a total of Rs 590 as currency notes is the denominations of Rs 50, Rs 20 and Rs 10. The ratio of the number of Rs 50 notes and Rs 20 notes is 3 : 5. If she has a total of 25 notes, how many notes of each denomination she has?

Solution

Rs 50 $rightwards arrow$ 6
Rs 20 $rightwards arrow$ 10
Rs 10 $rightwards arrow$ 9