I need help please! I’ll mark brainlist!!

Answer:
6 + 8 + 10 = 24
Step-by-step explanation:
Take 6 and 15 and compare those two, you will have to multiply 6 by 2.5 to get to 15 and that's the dilation, then dive 20 and 25 by 2.5, you'll get 8 and 10.
6 + 8 + 10 =24