Answer:
Mary: 120
Jane: 80
Step-by-step explanation:
i don't know
sorry
68 = 12t + 32
The number is 30
Let x be the number
2/3 x = 20
Multiply each side by 3/2 to isolate x
3/2 *2/3x = 20*3/2
x = 30
vertex is 1, -6