Answer:
64978256+8734965+709685+1 = 74,422,907
2(c-3)=s
because you have to subtract 3 years from sherman's age first, so you need the parentheses
She can make 2.2 bracelets an hour
3.4, 3 + 0.4, three point four
5.8, 5 + 0.8, five point eight
6.2, 6 + 0.2, six point two