Question

please give me the answer​

Answer 1

Step-by-step explanation:

(27x-5y/45)(5x-9)

= (27×2-5×0/45)(5×2-9)

=( 54/45)×1

= 6/5

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Answer 2

Let y = 100

Let y = 100Then reduction = 20% = 20

Let y = 100Then reduction = 20% = 20Then x = 100 – 20 = 80

Let y = 100Then reduction = 20% = 20Then x = 100 – 20 = 80(i)x/y = 80/100 = 4/5 (Diving by 20)

Let y = 100Then reduction = 20% = 20Then x = 100 – 20 = 80(i)x/y = 80/100 = 4/5 (Diving by 20)(ii) (y – x)/y = (100 – 80)/100

Let y = 100Then reduction = 20% = 20Then x = 100 – 20 = 80(i)x/y = 80/100 = 4/5 (Diving by 20)(ii) (y – x)/y = (100 – 80)/100= 20/100

Let y = 100Then reduction = 20% = 20Then x = 100 – 20 = 80(i)x/y = 80/100 = 4/5 (Diving by 20)(ii) (y – x)/y = (100 – 80)/100= 20/100= 1/5 (Dividing by 20)

Let y = 100Then reduction = 20% = 20Then x = 100 – 20 = 80(i)x/y = 80/100 = 4/5 (Diving by 20)(ii) (y – x)/y = (100 – 80)/100= 20/100= 1/5 (Dividing by 20)(iii) x/(y – x)

Let y = 100Then reduction = 20% = 20Then x = 100 – 20 = 80(i)x/y = 80/100 = 4/5 (Diving by 20)(ii) (y – x)/y = (100 – 80)/100= 20/100= 1/5 (Dividing by 20)(iii) x/(y – x)= 80/(100 – 80)

Let y = 100Then reduction = 20% = 20Then x = 100 – 20 = 80(i)x/y = 80/100 = 4/5 (Diving by 20)(ii) (y – x)/y = (100 – 80)/100= 20/100= 1/5 (Dividing by 20)(iii) x/(y – x)= 80/(100 – 80)= 80/20

Let y = 100Then reduction = 20% = 20Then x = 100 – 20 = 80(i)x/y = 80/100 = 4/5 (Diving by 20)(ii) (y – x)/y = (100 – 80)/100= 20/100= 1/5 (Dividing by 20)(iii) x/(y – x)= 80/(100 – 80)= 80/20= 4/1 = 4 (Dividing by 20)