Answer:
the answer is D
Step-by-step explanation:
Speed = dis / time
let plane speed in still air is X and air speed Y
so, X-Y = 2280/4 = 570 km/h
and X+Y = 6650/7 = 950 km/h
so, X = (570 + 950) / 2 = 760 km/h
and Y = 950- 760 = 190 km/h
:)
Answer:
38 grams
Step-by-step explanation:
7.6*5=38
Answer:
80 min = 1 hr 20 min
1 hr 20 min after 1:57 pm is 3:17 pm.
Between 3:17 pm and 4:00 pm there are 43 minutes.
Tony has 43 minutes between the end of the project and the beginning of band practice.
Step-by-step explanation:
Answer:
25 or 0.4
Step-by-step explanation:
2/5 cups are needed.
Explanation:
You write it out as a ratio.
(
5
1
)
=
(
2
x
)
You cross-multiply.
5
x
=
2
⋅
1
Simplify.
5
x
=
2
Divide each side by five to find the value of x.
x
=
2
5
2
5
or
0.4
cups of flour are needed.
