Answer:
Step-by-step explanation:
The number of customers carrying cash=45% = 0.45
The number of customers carrying checks= 44% =0.44
The number of customers carrying both = 31% = 0.31
So,
To find the probability we will write the expression:
cash+checks-cash or checks(both)=cash and checks
0.45+0.44-both=0.31
0.45+0.44-0.31=both
0.58=both....
Answer: -46
Step-by-step explanation:

Answer:
it just takes longer
Step-by-step explanation:
you count by 1 from 100 until 1000
So you can decompose it by drawing a diagonal and area of each will be the half part of area of parallelogram or the length of parallelogram time height divide 2