There are 7 students at the math club picnic. if 4 students are drinking punch and 3 are drinking lemonade , what fraction are drinking lemonade?

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

Twelve less than a number is at most 20

Can you me find the slope! (30 points)