A toll bridge charges $4 for a car and $6 for a truck. One day 200 of the vehicles crossed the bridge and paid a total of $860 in tolls. How many
of these vehicles were trucks?

m∠5 + m∠3 = m∠1   is true.

m∠5 + m∠6 = 180 is true

m∠2 +m∠3 = m∠6   is true

m∠2 +m∠3 +m∠5 = 180   is true

i think it is c hope that

the answer is "add 2y and y"

step-by-step explanation:

you need to collect the like terms first.

5.762159

step-by-step explanation:

it would be 9 because when it is the nine is over five so that would mean it rounds up to 90 or 9