Question

plz tell how to solve

Answer 1

hey here is the answer
2500x+1500*40-1500x=85000

2500x+60000-1500x=85000

1000x+60000=85000

1000x=85000-60000

1000x=25000

x=25000/1000

x=25
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Answer 2

i) the equation is;
2500x + 1500(40-x)=85000

ii) Let the number of 1st prizes be x
Then the number of 2nd prizes = 40-x
According to the question,
2500 (x) + 1500 (40-x) = 85000
2500x + 60000 - 1500x = 85000
1000x = 25000
x = 25
so, number of 1st prizes = 25
Number of 2nd prizes = 40-25 = 15