Answer:92.4
Step-by-step explanation:
4x+7x=132
10x=132
x=132/10
x=13.2
4x=4×13.2
=52.8
5x=7×13.2
=92.4
Answer:
1.2-0.8
Step-by-step explanation:
Add 0.4 and 0.8
Answer:
3.456
Step-by-step explanation:
one meter is 100 millimeters
i dont know, sorry...............................................