Answer:
The rate of cases is per hour
Step-by-step explanation:
we are given
Total number of cases =5
total time is
hour
we can simplify it
we can use formula
rate of cases = ( total number of cases)/( total time)
now, we can plug values
Rate of cases is
Answer: -Jerry hears per hour.
Since time is given in mixed fraction , thus first convert it into improper fraction
Time= hours
The total number of cases Jerry hears in =5 cases
⇒The number of cases Jerry hears in 1 hour
cases per hour.
Thus, Jerry hears cases per hour .
Nw how old is the girl, her mum & her dad?
let x=xmum's age
x+5=dad's age
x/2 =girl's age
x+x+5+x/2=100
3.5x=95
xmum's age=38
dad's age=43
girl's age=19
c is the correct one
373/500 = fraction
.746 = decimal