# Math Problems - Percent

Can you Help me solve math problem for my 6th grade brother. question is-

1. At Rober's school, 40% of the 70 sixth-grade wear eitehr glasses or contact lenses.

How many sixth grader students wear either glasses or contact lenses?

There are 7 studnets who wear glasses. Of the students who wear glasses or contact lense, what percent of students wear glasses? show work.

2. Maria has a jar of 80 M&M's. She has 16 red, 12 blue, 18 green and 34 yellow.

a. what percent of the time would you expect to randomly choose a red M&M.

b. Maria's brother, Teddy snuck into her room and ate all of her green M&M's and 7 yellow M&M's. Now what's the probability of selecting blue M&M? (write as fraction)