Simplify 22+43+3
20-1
22+2
2x2
3.0 +1
0
(+3)(2+1)
(2-1)
(+3)(-1)
(21-1)
(2-3)
(1-1)

All per-unit concepts rely on ratios, meaning, to provide a type of measurement

If you could answer these your a life saver

Percy rides his bike 11.2 miles in 1.4 hours at a constant rate. write an equation to represent the proportional relationship between the number of hours percy rides, x, and the distance in miles, y, that he travels.