# math

posted by .

How many different combinations of coins can total exactly \$0.40?

I got 31 possible combinations

• math -

I only got 27

P -N D Q
50 0 0 0
35 1
30 2
25 3
20 4
15 5
10 6
5 7
0 8 0 0
30 0 1 0
25 1 1
20 2 1
15 3 1
10 4 1
5 5 1
0 6 1 0
20 0 2
15 1 2
10 2 2
5 3 2
0 4 2
10 0 3
5 1 3
0 2 3
0 0 4 0
5 0 1 1
0 1 1 1

If you see only 3 numbers the last digit is 0

## Similar Questions

1. ### Math

If I have 4 people and I want to take a picture of them standing side by side, how many total different combinations can I use?
2. ### math

In a gift wrapping department, a customer can choose from x different paper, y different ribbons and z different greeting cards. There are 160 different paper, ribbon, and greeting card combinations possible. List three of the possible …
3. ### math

In a gift wrapping department, a customer can choose from x different papers, y different ribbons, and z different greeting cards. There are 160 different paper, ribbon, and greeting card combinations possible. List three of the possible …
4. ### math

In gift wrapping department, a customer can choose from x different papers, y different ribbons, and z different greeting cards. There are 160 different paper, ribbon, and greeting card combinations possible. List three of the possible …

In a gift wrapping department, a customer can choose from x different papers, y different ribbons, and z different greeting cards. There are 160 different paper, ribbon, and greeting card combinations. List three of the possible combinations.
6. ### Math

In a gift wrapping department, a customer can choose from X different papers, Y different ribbons, and Z different greeting cards. There are 160 different paper, ribbon, and greeting card combinations possible. List three of the possible …
7. ### Math

Teng is designing a house and in each room he can choose from tiles, floorboards, or carpet for the floor. a. How many combinations of flooring materials are possible if her designs a 2 room studio?
8. ### math

Answer the following questions below that go with the following: Let's say that a locker combination lock uses numbers 0 through 39 for a 3 digit combination. 1.) Exactly how many combinations are possible if NO digit may be repeated?
9. ### statistics

26. The law of permutations, combinations, and filling slots are the counting rules used to (a) determine the total number of possible outcomes (b) determine all possible combinations of ānā objects from a total of N objects (c) …
10. ### Math

All students in Peter's class have \$1.05, consisting of nickels and/or dimes and/or quarters. Each student has a different combination of coins, and all possible combinations of coins are included. What is the probability that Peter …

More Similar Questions