Answer:
$20
Step-by-step explanation:
Simple, if he sold 16 pretzels, and each one costs $1.25, then multiply the cost by how many:
16X1.25=20
So he got $20
I hope this helps!
Answer:
Multiplication
Step-by-step explanation:
I think what you're talking about is not a decimal, but a multiplication point:

This dot can donate multiplication when in the middle of two numbers and/or fractions.
But if you're talking about some other point, then I don't know, sorry. :(
Answer:
a = (n + p)/m
Step-by-step explanation:
just divide by m on both sides
hope this helped!
Answer: 120
Step-by-step explanation:
5!/(5-4)!=5!/1!=(5*4*3*2*1)/1
120/1
=120