Question

Rita has only 100 rupees note and 50 rupees notes she have 7000 in total. The ratio of 100 Rupees note to 50 rupees notes is 5:4. How many notes of each type does she have ?​

Answer 1

Step-by-step explanation:

let 100 rupee note be 5x and 50 rupee note be 4x

5x+4x=7000

7x=7000

x=7000/7

x=1000

100 rupee note =5x =5×1000. =5000

50rupee note =4x. =4×1000. =4000

Answer 2

let number of 100 rupees note and 50rupee note be 5x and 4x

then 5x= 5×100=500x

and 4x=4×50=200x

therefore

200x+500x=7000

700x=7000

x=7000/700

x=10

then the numbers of 100 rupees note =5×10=50

and numbers of 50 rupees note =4×10=40

verification

if 100 rupees note =50 then 50×100=5000 rupees

and 50 rupees note =40 then 40×50=2000 rupees

therefore - 5000+2000=7000

Hence proved

helpful hoyga