Darnells car used 8 gallons of gasoline to to travel 340 miles a mican
3 answers
so, he gets 340/8 mi/gal
The ratio of dogs and cats at the pets store is 2:5 if there are 6 more cats than dogs, how many dogs are in the pet store
d/c = 2/5
That is, 5d = 2c
Now, c = d+6
so, 2c = 2d+12
5d = 2d + 12
3d = 12
d = 4
check: 4 dogs, 10 cats
4:10 = 2:5 and 10 = 4+6
That is, 5d = 2c
Now, c = d+6
so, 2c = 2d+12
5d = 2d + 12
3d = 12
d = 4
check: 4 dogs, 10 cats
4:10 = 2:5 and 10 = 4+6