Answer:
18
Step-by-step explanation:
4x + 5x = 180
10x = 180
x = 18
Answer:
75 in
Step-by-step explanation:
add (10+15)=25
divide 25/2
multiply 12.5*6
equals 75
The last 2 options I belive
Answer:

Step-by-step explanation:
Yuan earned $336.3457.
You are asked to round this number to the nearest hundredth, that is, so there are only two digits after the decimal.
$336.34|57
A rule in rounding numbers is: if the first figure to be dropped is 5 with any nonzero digits following it, then the last figure kept should be rounded up (increased by 1).
The number becomes $336.35.
