In a class, every student knows french or german (or both). 15 students know french, and 17 students know german. what is the largest possible number of students in that class?

Solution:

we are given that

In a class, every student knows French or German (or both).

15 students know French, and 17 students know German.

Suppose there are x student who knows both French and German.

Then Total number of student in the class will be

But to guess the largest possible number of student in the class we can assume x=0

Hence the largest Possible number of Student in the class=32

which expression can be used to convert 80 us dollars (usd) to australian dollars (aud)?

1 usd = 1.0343 aud

1 aud = 0.9668 usd

step-by-step explanation:

sorry just need the points

think the answer would beb