Answer:
225
Step-by-step explanation:
Let h represent the number of hamburgers sold. Then h-61 is the number of cheeseburgers sold. The combined total is ...
h +(h -61) = 389
2h = 450 . . . . . . add 61
h = 225 . . . . . . . divide by 2
There were 225 hamburgers sold on Thursday.
Answer:
3r^2 /2
Step-by-step explanation:
r^3 cancels out r in the denominator remaining with r^2 in the numerator.
so 3r^2/2
= 3r^2 /2
Question 1
There are 5 letters (B, O, K, E, R) and there is a total of 10 letters to make up the word.
There are
ways of arranging the letters, which equal to 210 ways
Question 2
There are seven swimmers in total.
There are
ways of choosing the first winner, which is 7 ways
There are
ways of choosing the second winner, which is 6 ways
There are
ways of choosing the third winner, which is 5 ways
There are 7×6×5=210 ways of choosing first, second, and third winner
Question 3
The probability of eating an orange and a red candy is
×
, which equals to
The probability of eating two green candies is
×
which equals to
It's 25 percent as it's Aa plus Bb which gives 4 combinations and one of them is the answer. thus 1/4 equals 25percent