Answer:
The speed of the cyclist is 10 miles per hour .
Step-by-step explanation:
Given as :
The distance cover by cyclist =
= 20 miles
The distance cover by biker =
= 6 miles
The speed of biker =
= s mph
The speed of cyclist =
= 7 + s mph
The time taken by both cyclist and biker = t hour
Now. Distance = Speed × Time
So,
=
× t
Or, 20 = s × t
Or, t =
.....1
And ,
=
× t
or, 6 = s t
Or, t =
....2
From Eq 1 and 2
I.e
=
Or, 20 s = 6 ( 7 + s )
Or, 20 s - 6 s = 42
Or, 14 s = 42
∴ s = 
I,e s = 3 miles per hour
So, The speed of biker =
= s = 3 miles per hour
And The speed of cyclist =
= 7 + s = 7 + 3= 10 miles per hour
Hence The speed of the cyclist is 10 miles per hour . Answer
Answer:
Sale 2/3
Step-by-step explanation:
Answer:
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Step-by-step explanation:
hope it help bro
1/2(4+X)+2=16
2+(0.5 x X) + 2 = 16
4 + (0.5 x X) = 16
0.5 x X = 12
X = 24
idk if u understand my working out - message me if u dont
hope it helped tho :)
If your question is how many positions are possible, then the answer is 24.
We find this by thinking of how many people can be in each spot. If there are 4 spots each person can stand (back left, back right, front left, front right), then there are 4 possible choice for the first spot (mom, dad, son, daughter), then 3 for the next spot (since 1 is already in a spot), then 2 options for the next spot, and then 1 option for the last spot. In other words, the answer is 4x3x2x1, or 4 factorial.