exam Maths Puzzle Numerical Ability

Amelia chose 3 cds that each cost $16. The sales tax on the three cds is $3.96. Write a direct variation equation relating sales tax to the price.

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exam Other Question

Soybean meal is 12% protein, cornmeal is 6% protein. How many pounds of each should be mixed together in order to get a 240 lb mixture that is 9% protein? If one zero of a polynomial is known, then what can be used to reduce the polynomial?
a. The Remainder Theorem
b. The Factor Theorem
c. Both (A) and (B)
d. Neither (A) & (B