Question

a baby weight only 9.9 ounces at birth. how much lighter was she than an average baby who weighs about 7 lb 8 ounces

Answer 1

What an odd mixture of units, decimal places in the imperial system ?

anyway ....

difference in weight
= 7 lb 8 ounces - 9.9 ounces
= 120 ounces - 9.9 ounces
= 110.1 ounces
= 6 lb 14.1 ounces