Here is a substitution problem. By saying c is 4, we can replace anywhere we see c with the number 4.
c = 4
4c - 7.8
= 4(4) - 7.8
= 16 - 7.8
= 8.2
Hope this helps! :)
Answer: rounded: 2400
60 * 40
Actual: 2508
Step-by-step explanation:
You take the answer of the multiplication facts and divide by one of the factors and you get the other factor.
Answer:
it would be 3.28125
Step-by-step explanation:
do base times height to get the area