The Constitution is difficult to amend because it requires a supermajority of either members of Congress or a supermajority of state legislatures to propose a new amendment for ratification.<span> Even after acquiring the requisite two-thirds of either group to propose the amendment, it then has to be ratified by 75 percent of the states, either by their legislatures or state Constitutional conventions</span>
B=-1/3 hp+1/3 t
hope this helps
we are given
we are given relation between speed and distance
distance ( when speed =70mph) is
=328feet
so,
distance ( when speed =50mph) is
=183feet
so,
now, we can find percentage in decrease

now, we can plug values

%...........Answer
3.2
3.1622 rounded to the tenth = 3.2