Answer:
61
Step-by-step explanation:
he read first 74 and need to
= 74-30
=44
Answer:
are you talking about links?
Step-by-step explanation:
yeah they can get annoying
Answer:
A. Stone bridges to steel bridges=
12 : 20
6 : 10
3 : 5
answer = 3 : 5
B. Steel bridges to Stone bridges
20 : 12
10 : 6
5 : 3
answer = 5 : 3
Total bridges = 20+12=32
C. Total bridges to steel bridges
32 : 20
16 : 10
8 : 5
answer = 8 : 5
