There is a 3.25% chance the card will either be an 8 or a 9. Hope this helps. :)
Turn the 3/8 itto a mixed number and dived it by 111
7699......................
You should add -77 to 77 because it will cancel out.
Answer:
number of dimes is 8
number of quarters is 15
Step-by-step explanation:
let 'd' = number of dimes
let 'd+7' = number of quarters
.10d + .25(d + 7) = 4.55
.10d + .25d + 1.75 = 4.55
.35d = 2.80
d = 8
q = 7 + 8