Answer:
80
Explanation:
The ratio 8 to 1 means that out of 9 senators 8 voted yes and 1 voted no.
we can represent this informations like this
number of senators senators who votes for the bill
9 ⇒ 8
and we need to know how many voted for the bill if the total number of senators is 90:
number of senators senators who votes for the bill
9 ⇒ 8
90 ⇒ x
where x is the number we are looking for, which we found by multiplying the cross quantities in the table and then dividing by the remaining amount:
x=90*8/9
x=720/9
x=80
80 senators voted for the bill