7 I think because if you would put a zero behind the 4 and 7 and add them together it will be 110 and all that's left if u subtract them from 180 is 70 (7)
Adult weighs 12,500 pounds
it is 5 times heavier
baby = x
adult = 5x ( 5 times the weight of the baby)
12,500 = 5x
divide both sides by 5
x = 12500 / 5
x = 2500
the baby weights 2,500 pounds
7 because the way its set up
Answer:
attached above with detail explanation.