To find out how many quarts there are in 40 gallons, we simply need to know how many quarts there are in one gallon. As the name implies, there are 4 quarts in one gallon, so we simply need to multiply 4 * 40 to find the amount of quarts in 40 gallons.
4 * 40 = 160
There are 160 quarts in 40 gallons.
Hope that helped! =)
Answer:
1) B) a = 14
2)D) x = -11
3)B) x = 8
4)A) 250 = 3c-20
5)D)8
6)B), C), D)
8)A) 14 months
9)Sarah = 40 years
Sarah = 5/4 x Tanya
40 = 5/4 x Tanya's age
Therefore Tanya's age is 32 years old
Hope this helps you!
Answer:
Jordan has 4/5 as many DVDs as Joseph means Joseph has more DVDs than Jordan. number of Joseph's DVDs * 4/5 = 56 so
number of Joseph's DVDs= 56 * 5/4 = 70
The key idea here is that
speed of plane in wind = (speed of plane in air) + (speed of wind)
Let 
be the speed of the plane in still air, and 
the wind speed. A tailwind blows in the same direction as the plane, so for the first leg of the trip, we have
For the return trip, the wind would blow in the opposite direction:
Solve this system and you'll find 
and 
.
