Let Karen works x hours baby sitting
So, she worked (18-x) hours giving music lessons
So,
According to question
5x + 12(18-x)=139
This gives
7*x=77
x=11
So,
<span>Karen worked <em>11 hours baby sitting </em>and (18-11)=7 hours giving music lessons</span>
Answer: 7 3/4
Step-by-step explanation:
3 1/4 + 4 2/4 = 7 3/4
Answer:
3.4 is the answer i think
Step-by-step explanation:
Answer:
.25 4(.25) = 1
Step-by-step explanation:
48 miles/4hrs = 12 mph
Increased Speed 12 mph + 8mph = 20 mph
Distance left 108 miles - 48 miles = 60 miles
Time left 60 miles/20 mph = 3 hours