Answer:
15
Step-by-step explanation:
She is currently 15. 45 years from now she will be 60. 60 is 4 times her current age. So right now, she is 15
Answer:
x=2, x=-2
Step-by-step explanation:
3x²-3+4x²-12=13
7x²=13+12+3
7x²=28
x²=4
x=-2
x=2
Answer:60x+28
Step-by-step explanation:
Answer:
x = age
200 - 3x = 47, solve for x
x =51
Step-by-step explanation:
Answer:
Rank Ordered Matching
Step-by-step explanation:
