Answer:
Step-by-step expla0000000000000000000000000nation:
Answer:
The Answer is the Number 2,
I mean Point #2!
I Hope this WORKS! 100%
D=4q
25q+10d=195
5q+2d=39
sub 4q foro d
5q+2(4q)=39
5q+8q=39
13q=39
divide 13
q=3
d=4q
d=4(3)
d=12
12 dimes
3 quarters
Answer:
20 days
Step-by-step explanation:
t = time required by one worker to complete the job alone
(t+8) = time required by the other worker
So:
7.5/ t + 7.5/ (t + 8) = 1
Solve for t.
...
t = 12 days, the first guy working alone
The other worker would finish the job in 20 days.
Answer:
3\16
Step-by-step explanation:
movement of snail per hour,1/8×3/2=3/16