The answer is -.0028571429
1/5a+1=3/10
-1 -1
1/5a=-.7. -.7 as a fraction is -7/10
1/5a divide -7/10
= -.0028571429
They can rent it for 7 hr. $20.60-$4.50=$16.10. $16.1 divided by $2.30= 7
Answer:
B
Step-by-step explanation:
I think if u want try it
3 binders with 35 stamps in each.....3 x 35 = 105 stamps
5 binders with 24 b cards in each....5 x 24 = 120 cards
if she give away 35 stamps.....105 - 35 = 70 stamps
so what she has left is : 70 stamps (or 2 binders of stamps) and 120 baseball cards (or 5 binders of baseball cards)