Answer:
100 tiles
Step-by-step explanation:
You would set up the equation like this.
1.25t=0.75t+50
Then, solve for t and it will show you how many tiles you will need to buy for it to be equal.
Answer:
7x + 7
Step-by-step explanation:
7x + 7
5x + 2x = 7x
7x + 7
Answer:
Step-by-step explanation:
The solution is attached
Answer:
1350
Step-by-step explanation:
use binomial general term expression for (r+1)th term
get the power of x in terms of r.
equate the expression to -2 and solve for r.
replace value of r and calculate the coefficient.