Answer: It is not an improper fraction.
Step-by-step explanation:
9 4/5 + 3 1/5 = 13
13 isn't an improper fraction.
Answer: 90
90 is a composite number because:
4 x 15 = 90
10 x 9 = 90
A composite number has more than two factors.
Hope this helps!
Answer: Car B will catch up with A when the distance travel by the two are equal
Recall Speed = Distance/Time
Distance =Time * Speed
Car A; D=60T1
Car B; D=70T2
Where T1= T2+1
60T1=70T2
60(T2+1)= 70T2
60T2+60=70T2
10T2=60
T2=6hrs
4pm +6hrs
10pm car B catches up with A
Step-by-step explanation:
Answer:
three groups of 15 or 15 groups of three