Word Problems Flashcards
1
Q
Distance, Rate, Time
A
Rate= distance/time
Average speed= total distance/ total time
2
Q
Work rate
A
1/totalwork= 1/workrate1 + 1/workrate2
Output = rate*time
3
Q
Sequences sum:
A
N(n+1)/2
4
Q
Simple interest
A
V=P(1+rt/100)
V = interest
P = Principal
5
Q
Compound interest
A
V = P(1+r/100n)^nt
n= number of times compounded per year
6
Q
Even odd combinations addition subtraction
A
0 is even
odd-+odd= even
odd-+even= odd
even-+even= even
7
Q
Odd even combinations multiplication
A
odd x odd= odd
odd x even = even
even x even = even
8
Q
Odd even combinations division
A
even/even = non-integer, even, odd odd/even = cannot be an integer even/odd = not integer or even odd/odd = not integer or odd
