Answer:
x = 27
Step-by-step explanation:
this problem is similar to a scale drawing where we can set up a proportion:
'x' is to 5 as 162 is to 30
x/5 = 162/30
cross-multiply:
30x = 810
x = 810/30
x = 27
Answer:
2.66 ft
Step-by-step explanation:
250/1.9=.0076
.0076×350=2.66ft
Fraction of shampoo left = 
Solution:
Given fraction of full shampoo
.
Fraction of shampoo Margaret used 
Fraction of shampoo left = Full shampoo – fraction of shampoo used

To make the denominators same do cross multiplication.




Hence
of the shampoo bottle is left.
Use Photomath it will help