If a university wants to maintain a 14: 1 ratio between students and teachers, how many teachers would be needed to accommodate 896 students?
a. 14 teachers
b. 28 teachers
c. 64 teachers
d. 100 teachers

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At his new job, jeremiah can choose an hourly rate of $9 plus a $50 weekly bonus for opening the store, or an hourly rate of $10 per hour with no opening bonus. the equations model his salary options. y = 9x + 50 y = 10x

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y