Answer:
A. 140
Step-by-step explanation:
3 hours converts to 180 minutes, so 180-40=140, therefore A is correct.
x 1/2 -1
c
given: miles traveled and cost
to find: which one is correct
solution:
miles traveled =25
And cost =80
80/25 = 3.2
similarity all $3.20 cost increase
sin30=p/h
1/2 =x/12
x=12/2=6...answer
sin60=p/h
√3/2=y/12
y=√3×12/2=6√3answer
5 (grandson's age now)
35 (son's age now)
60 (father's age now)