Answer:
12
Step-by-step explanation:
Multiply the number of items with each other.
3 hats • 2 pairs of glasses • 2 mustaches
= 3 • 2 • 2
= 12
John is correct because 0.5 is equal to one half and multiplying something by its half is just same as dividing something in two and half of 1.4 is 0.5
(sorry if it's too long feel free to shorten it)
Answer:

Step-by-step explanation:
Use the sum-product pattern


Common factor from the two pairs


Rewrite in factored form


Answer:
No
Step-by-step explanation:
For X and Y to be in proportion, The values should both be the same so if x is 10 y is 10 and so on.