Solve the formula for calculationg the perimiter of a parallelogram with sides b and c for c. p=2b+2c

Barbara's piano instructors house is 7 1/8 miles from her house. after biking for 1 3/4 miles she stops to rest how much longer does she need to bike to reach her instructor's house

The jurassic zoo charges $14 for each adult admission and $5 for each child. the total bill for 77 people from a school trip was $565. how many adults and how many children went to the zoo? i

Which fraction below is equivalent to 10/12?