4. 2b-6+3b=
5b-6=143
5b=143+6
5b=149
b=149
------
5
the anwser would most likely be 3 because you want the LCM
Answer:
wilma is 22.5 mph
fred is 25.5 mph
Step-by-step explanation:
Time:40 minutes, or 2/3 hours
Speed:
Fred:x+3
Wilma: x
Distance:32 miles
2/3(x+x+3)=32
2/3(2x+3)=32
1 1/3x+2=32
4/3x=30
x=22.5
wilma is 22.5 mph
fred is 22.5+3= 25.5 mph
Answer:
c
Step-by-step explanation:
the third picture shows symmetry and equality
