Nicole has 23 notes of £20 and £5 in her hand bag. The amount of money she has in the bag is £340.00. Find the number of notes of each type
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Answer:
total money=£340
total no. of bank notes=23
let the no. of £20 notes be x
let the no. of £5 notes be (23-x)
Step-by-step explanation:
ATQ
20x+5(23-x)=340
20x+115-5x=340
15x+115=340
15x=340-115
15x=225
x=225/15
x=15
no. of £20 notes =15
no. of £5 notes =23-15=8
hence proved
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