The ratio 2.5 metres to 60 centimetres can be written in the form 1: n find the value of n

2.5/60 = 1/n

1(60) = 2.5n

60 = 2.5n

60/2.5 = n

24 = n

7. d. 64

8. i. 32

9. c. 125

10. j. none of the above

11. d. 81

12. i. 216

13. e. none of the above

14. g. 240

15. e. none of the above

16. g. 32

17.   e. none of the above

because linear equations are a lot simpler than quadratics equations, and linear equations formula is a lot easier to memorize. that's why i think they're harder.