The admission fee at the county fair is $1.25 for children and $4.00 for adults. So far, the admissions booth has collected $30 total. Select ALL correct possibilities that could meet the constraints of this situation. NEEDS WORK SHOWN PLS

Can somebody me out with this question

The length of the largest fish is 967.74 times greater than the length of the smallest fish. select a variable expression that shows the length of the largest fish, if 8 is the length of the smallest fish. a. s + 967.74 b. \[ \frac{967.74}{s} \] c. 967.74 - s d. 967. 74s

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.