Answer:
21.4
Step-by-step explanation:
delta math told me! :)
Son of 15 years $180
Son of 10 years $120
15 + 10 = 25
25 300
15 x = 300*15/25
x = 180
10 x = 300*10/25
x = 120
d
The product of a number y and 12 or 12 times a number y. These are both equivalent expressions to 12y