Question

If 30 + 5y = 9 and 50 + 3y = 7, then what is the value of o ty?​

Answer 1

Answer:

(i) 30+5y=9

5y= 9-30

5y= -21

y= -21/5

y= -4.2

(ii) 50+3y=7

3y= 7-50

3y= -43

y= -43/3

y= -14.33

Answer 2

Answer:

the part of the earth’s surface and atmosphere in which plants and animals can live