Josh is going to choose a two digit number. What is the probability that the sum of the digits will be nine?

Question

Mathematics

Julius Haas

23 May, 13:57

Josh is going to choose a two digit number. What is the probability that the sum of the digits will be nine?

+2

Answers (2)

Know the Answer?

Olive Decker · Answer 1

4/45

Step-by-step explanation:

First find all the pairs that make 9 that are two digit:

1+8

2+7

3+6

4+5

5+4

3+6

2+7

1+8

That's 8 pairs, and as there are 90 two digit numbers, 8/90 is the answer. but if you want to simplify, the answer is 4/45

Danny Yoder · Answer 2

Danny Yoder 23 May, 16:48

0

The answer is 4/45 I believe so