Rates Flashcards
1
Q
Work rates formulas
A
Art equation, rat equation, tar equation
2
Q
Speed and distance formulas
A
Dst equation, td/s, sd/t
3
Q
Si van dos de cara y queremos saber cuanto tardan en encontrarse
A
Relative speed =s1+s2
Total distance = s1t +s2t
4
Q
Average speed
A
Total distance/Total time
5
Q
Round trip problems strategy
A
Distance 1 = distance 2
Total time = time 1 (d/s)+ time 2(d/s)
6
Q
Catch-up distance problems
A
Distance 1 = distance 2
7
Q
Change of speed formula
A
Time new = time old × s old/ s new
8
Q
New time with added machines
A
New time = old time x old machines/new machines
9
Q
Work rate es opuesto a que?
A
Time! Ejemplo
10
Q
Combined rates formula
A
Rate 1 + rate 2