Answer:
300+12x=$450
Step-by-step explanation:
the answer is 7.5
y=12/5 (in decimal notation y=2.4)
the value of 7y-2 = 10 more than 2y
7y-2 = 10+2y
7y-2y = 10+2
5y = 12
y = 12/5
y = 2.4
0.4% of 50 is 0.2
