He has 10 spice jars, but the spice rack only holds 8 spice jars.
Calculate in how many ways he can choose 8 spice jars from 10 spice jars using combination:

Each combination of 8 spice jars that he chooses he can arrange in 8! ways.
He can choose 8 spice jars in (10!)/(8!×2!) ways and arrange each combination in 8! ways.
Using the rule of product:

He can arrange 8 jars on the spice rack in c. 1,814,400 ways.
Answer:
p/10 = 11
<=> p = 11.10
<=> p = 110
Step-by-step explanation:
Answer:
x = 5, y = 2
Step-by-step explanation:
First, isolate y in the top equation.

Next, substitute y in the bottom equation.


Simplify.

Combine like terms.

Isolate x on one side.

Isolate x.

Substitute x into 

Simplify.

Isolate y.


We have an equation: 1.45/?= 33/100
Cross multiply:
33*? = 1.45*100
⇒ ? = 1.45*100/33= 4.394
The final answer is 4.394~