To get the answer use what you know divide it and use Algebra if you know any and also ask for help scan your math that’s what Brainly is for trust me
I don’t understand you second question but this is the work for the first one.
Hope it helps!
Answer:
380
Step-by-step explanation:
640/2=320
320-60=260
640-260=380
Answer:
Step-by-step explanation:
if x=6 y=9 that is answer. I just know, but think. BOI