Given: angle 1 = angle 2. if ac: bc = 3: 5 and ab = 12, find db.
explain step by step if possible.

a) 1.5

b) 4.5

c) 7.5

d) 12

Afamily has two cars. the first car has a fuel efficiency of 25 miles per gallon of gas and the second has a fuel efficiency of 15 miles per gallon of gas. during one particular week, the two cars went a combined total of 1025 miles, for a total gas consumption of 55 gallons. how many gallons were consumed by each of the two cars that week?