Answer:
200 ft
Step-by-step explanation:
change 2/3 minute to seconds
units must be the same!!!!
1 minute = 60 seconds
2/3 minute * 60 second/minute = 40 seconds
distance = rate * time
distance = 5 ft/sec * 40 second
distance = 5*40 ft= 200 ft
A,B,C,D,E
AB, AC, AD, AE
BC, BD, BE
CD, CE
DE
10
Let x=Don's present age
2x=Chris's present age
next year:
<span>x+1=Don's age
</span><span><span>2x+1=Chris's age
(x+1)+((2x+1)=4(x-1) (next year the sum of their ages will be four times as much as Don's age last year.)
x+1+2x+1=4x-4
x=6
2x=12
Don's present age=6
Chris's present age=12 </span><span>
</span></span>
Answer:
The number of green marbles are 36.
Step-by-step explanation:
Given:
Total number of marble bag contains is 42.
The number of green marbles is 6 more than 5 times the number of red marbles.
Let the number of red marbles be .
So, the number of green marbles =
Now, to get the number of green marbles.
According to question:
Subtracting 6 in both sides :
Now, by dividing 6 on both sides:
The number of red marbles are 6.
And, the number of green marbles are
=
=
=
Therefore, the number of green marbles are 36.