1. 231 ft/s = (231 ft/s)*(1 m/(3.3 ft)) ≈ 70 m/s
2. In 10 seconds, the parachutist will fall
.. (10 s)*(70 m/s) = 700 m
Proportional and linear functions are almost identical in form. The only difference is the addition of the “b” constant to the linear function. Indeed, a proportional relationship is just a linear relationship where b = 0, or to put it another way, where the line passes through the origin
At first they bought 40 uniforms for $3,000. When divided, the result came out as 75$ per each uniform. If they only received 40$ back then, 70-40=30. So the difference was 30$ per uniform.