With ratio, proportion and percent questions part 1

1. Simplify  by divide both numbers by 4 and you'll get the answer as C. C is correct
2. Unit rate is expression that has quantity of 1, numerator are often dollars or units like miles, km, meters... and denominator often pounds, kg, gram, liters ... So C is correct answer for your question:)
3. To find total money in the bag, 14 + 6 = 20 coins, there are 6 nickels so the expression is  or  in lowest terms.
4. Multiply diagnally 12 × 6 = 72, 72÷ 9 = 8, so the answer is A.
5. Divide 96 to 8 to get cost of 1 ticket, $12 , then multiply it by 3, so the answer is B. $36 
Hoped I helped:) GOOD LUCK