The simplest form for 3:12 is 4.
Answer:
a = $17.25
Step-by-step explanation:
let the money spend on the necklace be a
we have
15.75 +1.5*2 +a + 14 = 50
-> a = 50 -15.75 -3-14
-> a = $17.25
Discrete data is the answer
X^2-6x+9=0 has only one solution
Hope this helps