#1
Write in distributive form
Place value of 4 is 10
#2
Here
32 is greatest
#3
15<26<37<52
#4
Any number multiplied by 0 yeilds 0
#5
Cost:-
S--------T--------U
ST = T U
SU = 10
ST + TU = SU
3x + 7x = 10
10x = 10
x = 10/10
x = 1
So, what do you think happens next?
ST = 3x
Let x = 1
ST = 3(1)
ST = 3
I hope this helps.
3100 divided by 775 equal 4 hours