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2 answers:
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#1
2 solutions
- As there are 2 variables namely x and y.
#2
No solution
- a1/a2=b1/b2
c1/c2
#3
Option A
- multiply 2 with eq(1) and 1 with eq(2)
#4
Option D
- Multiply 2 with eq(2)
45: 100% - 17% = 83%
47: 44/2 = 22
22 - 1 = 21
See attached file
47: 44/2 = 22
22 - 1 = 21
See attached file