2*a+5-(9*a-16)=0 witch equals <span> a=3</span>
80:2
80 divided by 2 ... which gets you 40. About 40 miles an hour.
Your ratio: 80:2
The answer is c. 78 square inches.
- you take both 4 and 9, multiply them by 3 which would give you 12 and 27. then you add 27 twice and 12 twice, together and get 78.
95 is the better deal it’s only 35 more bucks and you get 150 more.