Answer:

Step-by-step explanation:
Given



Required
Determine the length of LS
Since H is between L and S, then

Substitute 14x - 21 for LS, 15 for LH and 8x for HS

Collect Like Terms


Divide both sides by 6

Substitute 6 for x in 



<em>Hence, the length of LS is 63 units</em>
8-9=-1 because it does not stop it goes to the negative number -1
Answer:
$1260
Step-by-step explanation:
70/100 × $1800 = $1260