Answer:

Step-by-step explanation:
Step 1:
Convert the mixed numbers to the improper fractions:

Step 2:
We multiply the numbers remembering about simplifying:

N+d=34
.05n+.10d=2.60
Solve by substitution
n=34-d
.05(34-d)+.10d=2.60
1.7-.05d+.10d=2.60
.05d=.90
d=18 dimes
18+n=34
n=16 nickles
1.667
Basically divide the number by 2
Answer:
68%
Step-by-step explanation:
25-8=17
17/25=0.68
68%
Hope this helped :)
I believe the price for one box with the coupon will be $3.15. This is because 4.50 * .30 = 1.35
4.50 - 1.35 = 3.15 Thus the discounted price will be $3.15