Question

please solve these question

Answer 1

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Answer 2

0.25(4t-3)=0.05(10t-9)

0.25/0.05= 10t-9/4t-3

5=10t-9/4t-3

5(4t-3)=10t-9

20t-15=10t-9

20t-10t=-9+15

10t=6

t=6/10

t=0.6