If she gave all the kids in her class 1 piece of candy, and she had 7 left over, the equation is 97 - 7 = 90. There are 90 kids in her class.
To find the unit rate you would need to find the cost per ounce of potato chips. To find this you would simply divide. $3.80/20 = .19
So the unit rate in your question is $0.19
Hope this helps! :)
Probability of coin landing on tails = 1/2
probability of dice landing on even number = 1/2
probability of both = 1/2 * 1/2 = 1/4
Answer:
8999 integers have four distinct digtis between them