solve the equation
in practical problems
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Answer:
no. of notes of Rs. 10 = 30
no. of notes of Rs. 20 = 35
Step-by-step explanation:
let the no. of notes of Rs. 10 be a
therefore, no. of notes pf Rs. 20 = 65-a
10(a) + 20(65-a) = 1000
10a + 1300 - 20a = 1000
1300 -10a = 1000
1300-1000= 10a
300=10a
a = 30
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